зеркало из https://github.com/mozilla/gecko-dev.git
7031 строка
215 KiB
C++
7031 строка
215 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Steve Clark (buster@netscape.com)
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* Håkan Waara (hwaara@chello.se)
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*
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* IBM Corporation
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*
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* This Original Code has been modified by IBM Corporation.
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* Modifications made by IBM described herein are
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* Copyright (c) International Business Machines
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* Corporation, 2000
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*
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* Modifications to Mozilla code or documentation
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* identified per MPL Section 3.3
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*
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* Date Modified by Description of modification
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* 05/03/2000 IBM Corp. Observer events for reflow states
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*/
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#define PL_ARENA_CONST_ALIGN_MASK 3
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#include "nsIPresShell.h"
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#include "nsISpaceManager.h"
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#include "nsIPresContext.h"
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#include "nsIContent.h"
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#include "nsIDocument.h"
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#include "nsIDocumentObserver.h"
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#include "nsIStyleSet.h"
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#include "nsICSSStyleSheet.h" // XXX for UA sheet loading hack, can this go away please?
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#include "nsIDOMCSSStyleSheet.h" // for Pref-related rule management (bugs 22963,20760,31816)
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#include "nsINameSpaceManager.h" // for Pref-related rule management (bugs 22963,20760,31816)
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#include "nsIStyleContext.h"
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#include "nsIServiceManager.h"
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#include "nsFrame.h"
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#include "nsIReflowCommand.h"
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#include "nsIViewManager.h"
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#include "nsCRT.h"
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#include "prlog.h"
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#include "prmem.h"
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#include "prinrval.h"
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#include "nsVoidArray.h"
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#include "nsHashtable.h"
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#include "nsIPref.h"
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#include "nsIViewObserver.h"
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#include "nsContainerFrame.h"
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#include "nsHTMLIIDs.h"
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#include "nsIDeviceContext.h"
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#include "nsIEventStateManager.h"
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#include "nsIDOMEvent.h"
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#include "nsHTMLParts.h"
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#include "nsISelection.h"
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#include "nsISelectionController.h"
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#include "nsLayoutCID.h"
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#include "nsLayoutAtoms.h"
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#include "nsIDOMRange.h"
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#include "nsIDOMDocument.h"
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#include "nsIDOMNode.h"
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#include "nsIDOMNodeList.h"
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#include "nsIDOMElement.h"
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#include "nsHTMLAtoms.h"
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#include "nsCOMPtr.h"
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#include "nsWeakReference.h"
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#include "nsIPageSequenceFrame.h"
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#include "nsICaret.h"
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#include "nsIDOMHTMLDocument.h"
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#include "nsIXMLDocument.h"
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#include "nsIScrollableView.h"
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#include "nsIParser.h"
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#include "nsParserCIID.h"
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#include "nsIFrameSelection.h"
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#include "nsIDOMNSHTMLInputElement.h" //optimization for ::DoXXX commands
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#include "nsIDOMNSHTMLTextAreaElement.h"
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#include "nsViewsCID.h"
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#include "nsIFrameManager.h"
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#include "nsISupportsPrimitives.h"
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#include "nsILayoutHistoryState.h"
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#include "nsIScrollPositionListener.h"
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#include "nsICompositeListener.h"
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#include "nsILineIterator.h" // for ScrollFrameIntoView
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#include "nsTimer.h"
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#include "nsWeakPtr.h"
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#include "plarena.h"
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#include "nsCSSAtoms.h"
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#include "nsIObserverService.h" // for reflow observation
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#include "nsIDocShell.h" // for reflow observation
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#include "nsIDOMRange.h"
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#ifdef MOZ_PERF_METRICS
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#include "nsITimeRecorder.h"
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#endif
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#ifdef NS_DEBUG
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#include "nsIFrameDebug.h"
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#endif
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#ifdef MOZ_REFLOW_PERF_DSP
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#include "nsIRenderingContext.h"
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#include "nsIFontMetrics.h"
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#endif
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#include "nsIReflowCallback.h"
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#include "nsIScriptGlobalObject.h"
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#include "nsIDOMWindowInternal.h"
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#include "nsPIDOMWindow.h"
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#include "nsIFocusController.h"
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// Drag & Drop, Clipboard
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#include "nsWidgetsCID.h"
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#include "nsIClipboard.h"
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#include "nsIDocShellTreeItem.h"
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#include "nsIURI.h"
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#include "nsIEventQueue.h"
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#include "nsIEventQueueService.h"
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#include "nsIScrollableFrame.h"
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#include "prtime.h"
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#include "prlong.h"
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#include "nsIDragService.h"
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#include "nsCopySupport.h"
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// Dummy layout request
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#include "nsIChannel.h"
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#include "nsILoadGroup.h"
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#include "nsNetUtil.h"
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// SubShell map
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#include "nsDST.h"
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#ifdef IBMBIDI
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#include "nsIBidiKeyboard.h"
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#endif // IBMBIDI
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#include "nsContentCID.h"
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static NS_DEFINE_CID(kCSSStyleSheetCID, NS_CSS_STYLESHEET_CID);
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static NS_DEFINE_CID(kStyleSetCID, NS_STYLESET_CID);
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static NS_DEFINE_IID(kRangeCID, NS_RANGE_CID);
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// supporting bugs 31816, 20760, 22963
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// define USE_OVERRIDE to put prefs in as an override stylesheet
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// otherwise they go in as a Backstop stylesheets
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// - OVERRIDE is better for text and bg colors, but bad for link colors,
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// so eventually, we should probably have a backstop and an override and
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// put the link colors in the backstop and the text and bg colors in the override,
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// but using the backstop stylesheet with !important rules solves 95% of the
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// problem and should suffice for RTM
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//
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// XXX: use backstop stylesheet of link colors and link underline,
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// user override stylesheet for forcing background and text colors, post RTM
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//
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// #define PREFS_USE_OVERRIDE
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// convert a color value to a string, in the CSS format #RRGGBB
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// * - initially created for bugs 31816, 20760, 22963
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static void ColorToString(nscolor aColor, nsAutoString &aString);
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// local management of the style watch:
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// aCtlValue should be set to all actions desired (bitwise OR'd together)
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// aStyleSet cannot be null
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// NOTE: implementation is noop unless MOZ_PERF_METRICS is defined
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static nsresult CtlStyleWatch(PRUint32 aCtlValue, nsIStyleSet *aStyleSet);
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#define kStyleWatchEnable 1
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#define kStyleWatchDisable 2
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#define kStyleWatchPrint 4
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#define kStyleWatchStart 8
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#define kStyleWatchStop 16
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#define kStyleWatchReset 32
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// Class ID's
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static NS_DEFINE_CID(kFrameSelectionCID, NS_FRAMESELECTION_CID);
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static NS_DEFINE_CID(kCRangeCID, NS_RANGE_CID);
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static NS_DEFINE_CID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
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static NS_DEFINE_CID(kViewCID, NS_VIEW_CID);
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static NS_DEFINE_CID(kPrefServiceCID, NS_PREF_CID);
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// Drag & Drop, Clipboard Support
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static NS_DEFINE_CID(kCClipboardCID, NS_CLIPBOARD_CID);
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static NS_DEFINE_CID(kCTransferableCID, NS_TRANSFERABLE_CID);
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static NS_DEFINE_CID(kHTMLConverterCID, NS_HTMLFORMATCONVERTER_CID);
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#undef NOISY
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//========================================================================
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//========================================================================
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//========================================================================
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#ifdef MOZ_REFLOW_PERF
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class ReflowCountMgr;
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static const char * kGrandTotalsStr = "Grand Totals";
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#define NUM_REFLOW_TYPES 5
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// Counting Class
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class ReflowCounter {
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public:
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ReflowCounter(ReflowCountMgr * aMgr = nsnull);
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~ReflowCounter();
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void ClearTotals();
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void DisplayTotals(const char * aStr);
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void DisplayDiffTotals(const char * aStr);
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void DisplayHTMLTotals(const char * aStr);
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void Add(nsReflowReason aType) { mTotals[aType]++; }
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void Add(nsReflowReason aType, PRUint32 aTotal) { mTotals[aType] += aTotal; }
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void CalcDiffInTotals();
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void SetTotalsCache();
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void SetMgr(ReflowCountMgr * aMgr) { mMgr = aMgr; }
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PRUint32 GetTotalByType(nsReflowReason aType) { if (aType >= eReflowReason_Initial && aType <= eReflowReason_Dirty) return mTotals[aType]; else return 0; }
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protected:
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void DisplayTotals(PRUint32 * aArray, const char * aTitle);
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void DisplayHTMLTotals(PRUint32 * aArray, const char * aTitle);
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PRUint32 mTotals[NUM_REFLOW_TYPES];
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PRUint32 mCacheTotals[NUM_REFLOW_TYPES];
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ReflowCountMgr * mMgr; // weak reference (don't delete)
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};
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// Counting Class
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class IndiReflowCounter {
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public:
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IndiReflowCounter(ReflowCountMgr * aMgr = nsnull):mMgr(aMgr),mCounter(aMgr),mFrame(nsnull), mCount(0), mHasBeenOutput(PR_FALSE) {}
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virtual ~IndiReflowCounter() {}
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nsAutoString mName;
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nsIFrame * mFrame; // weak reference (don't delete)
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PRInt32 mCount;
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ReflowCountMgr * mMgr; // weak reference (don't delete)
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ReflowCounter mCounter;
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PRBool mHasBeenOutput;
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};
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//--------------------
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// Manager Class
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//--------------------
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class ReflowCountMgr {
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public:
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ReflowCountMgr();
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virtual ~ReflowCountMgr();
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void ClearTotals();
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void ClearGrandTotals();
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void DisplayTotals(const char * aStr);
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void DisplayHTMLTotals(const char * aStr);
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void DisplayDiffsInTotals(const char * aStr);
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void Add(const char * aName, nsReflowReason aType, nsIFrame * aFrame);
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ReflowCounter * LookUp(const char * aName);
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void PaintCount(const char * aName, nsIRenderingContext* aRenderingContext, nsIPresContext* aPresContext, nsIFrame * aFrame, PRUint32 aColor);
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FILE * GetOutFile() { return mFD; }
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PLHashTable * GetIndiFrameHT() { return mIndiFrameCounts; }
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void SetPresContext(nsIPresContext * aPresContext) { mPresContext = aPresContext; } // weak reference
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void SetPresShell(nsIPresShell* aPresShell) { mPresShell= aPresShell; } // weak reference
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void SetDumpFrameCounts(PRBool aVal) { mDumpFrameCounts = aVal; }
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void SetDumpFrameByFrameCounts(PRBool aVal) { mDumpFrameByFrameCounts = aVal; }
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void SetPaintFrameCounts(PRBool aVal) { mPaintFrameByFrameCounts = aVal; }
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protected:
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void DisplayTotals(PRUint32 * aArray, PRUint32 * aDupArray, char * aTitle);
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void DisplayHTMLTotals(PRUint32 * aArray, PRUint32 * aDupArray, char * aTitle);
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PR_STATIC_CALLBACK(PRIntn) RemoveItems(PLHashEntry *he, PRIntn i, void *arg);
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PR_STATIC_CALLBACK(PRIntn) RemoveIndiItems(PLHashEntry *he, PRIntn i, void *arg);
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void CleanUp();
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// stdout Output Methods
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PR_STATIC_CALLBACK(PRIntn) DoSingleTotal(PLHashEntry *he, PRIntn i, void *arg);
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PR_STATIC_CALLBACK(PRIntn) DoSingleIndi(PLHashEntry *he, PRIntn i, void *arg);
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void DoGrandTotals();
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void DoIndiTotalsTree();
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// HTML Output Methods
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PR_STATIC_CALLBACK(PRIntn) DoSingleHTMLTotal(PLHashEntry *he, PRIntn i, void *arg);
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void DoGrandHTMLTotals();
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// Zero Out the Totals
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PR_STATIC_CALLBACK(PRIntn) DoClearTotals(PLHashEntry *he, PRIntn i, void *arg);
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// Displays the Diff Totals
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PR_STATIC_CALLBACK(PRIntn) DoDisplayDiffTotals(PLHashEntry *he, PRIntn i, void *arg);
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PLHashTable * mCounts;
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PLHashTable * mIndiFrameCounts;
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FILE * mFD;
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PRBool mDumpFrameCounts;
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PRBool mDumpFrameByFrameCounts;
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PRBool mPaintFrameByFrameCounts;
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PRBool mCycledOnce;
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// Root Frame for Individual Tracking
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nsIPresContext * mPresContext;
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nsIPresShell* mPresShell;
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// ReflowCountMgr gReflowCountMgr;
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};
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#endif
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//========================================================================
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// comment out to hide caret
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#define SHOW_CARET
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// The upper bound on the amount of time to spend reflowing. When this bound is exceeded
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// and reflow commands are still queued up, a reflow event is posted. The idea is for reflow
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// to not hog the processor beyond the time specifed in gMaxRCProcessingTime.
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// This data member is initialized from the layout.reflow.timeslice pref.
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#define NS_MAX_REFLOW_TIME 1000000
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static PRInt32 gMaxRCProcessingTime = -1;
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// Set to true to enable async reflow during document load.
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// This flag is initialized from the layout.reflow.async.duringDocLoad pref.
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static PRBool gAsyncReflowDuringDocLoad = PR_FALSE;
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// Largest chunk size we recycle
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static const size_t gMaxRecycledSize = 400;
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#define MARK_INCREMENT 50
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#define BLOCK_INCREMENT 2048
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/**A block of memory that the stack will
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* chop up and hand out
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*/
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struct StackBlock {
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// a block of memory
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void* mBlock;
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// another block of memory that would only be created
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// if our stack overflowed. Yes we have the ability
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// to grow on a stack overflow
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StackBlock* mNext;
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StackBlock()
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{
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mBlock = PR_Malloc(BLOCK_INCREMENT);
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mNext = nsnull;
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}
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~StackBlock()
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{
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PR_Free(mBlock);
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}
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};
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/* we hold an array of marks. A push pushes a mark on the stack
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* a pop pops it off.
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*/
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struct StackMark {
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// the block of memory we are currently handing out chunks of
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StackBlock* mBlock;
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// our current position in the memory
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size_t mPos;
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};
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/* A stack arena allows a stack based interface to a block of memory.
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* It should be used when you need to allocate some temporary memory that
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* you will immediately return.
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*/
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class StackArena {
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public:
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StackArena();
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~StackArena();
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// Memory management functions
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nsresult Allocate(size_t aSize, void** aResult);
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nsresult Push();
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nsresult Pop();
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private:
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// our current position in memory
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size_t mPos;
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// a list of memory block. Usually there is only one
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// but if we overrun our stack size we can get more memory.
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StackBlock* mBlocks;
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// the current block of memory we are passing our chucks of
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StackBlock* mCurBlock;
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// our stack of mark where push has been called
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StackMark* mMarks;
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// the current top of the the mark list
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PRUint32 mStackTop;
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// the size of the mark array
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PRUint32 mMarkLength;
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};
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StackArena::StackArena()
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{
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// allocate the marks array
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mMarkLength = MARK_INCREMENT;
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mMarks = new StackMark[mMarkLength];
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// allocate our stack memory
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mBlocks = new StackBlock();
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mCurBlock = mBlocks;
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mStackTop = 0;
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mPos = 0;
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}
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StackArena::~StackArena()
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{
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// free up our data
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delete[] mMarks;
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while(mBlocks)
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{
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StackBlock* toDelete = mBlocks;
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mBlocks = mBlocks->mNext;
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delete toDelete;
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}
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}
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nsresult
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StackArena::Push()
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{
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// if the we overrun our mark array. Resize it.
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if (mStackTop + 1 >= mMarkLength)
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{
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StackMark* oldMarks = mMarks;
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PRUint32 oldLength = mMarkLength;
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mMarkLength += MARK_INCREMENT;
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mMarks = new StackMark[mMarkLength];
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nsCRT::memcpy(mMarks, oldMarks, sizeof(StackMark)*oldLength);
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delete[] oldMarks;
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}
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// set a mark at the top
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mMarks[mStackTop].mBlock = mCurBlock;
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mMarks[mStackTop].mPos = mPos;
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mStackTop++;
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return NS_OK;
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}
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nsresult
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StackArena::Allocate(size_t aSize, void** aResult)
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{
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NS_ASSERTION(mStackTop > 0, "Error allocate called before push!!!");
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// make sure we are aligned. Beard said 8 was safer then 4.
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// Round size to multiple of 8
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aSize = PR_ROUNDUP(aSize, 8);
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// if the size makes the stack overflow. Grab another block for the stack
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if (mPos + aSize >= BLOCK_INCREMENT)
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{
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NS_ASSERTION(aSize <= BLOCK_INCREMENT,"Requested memory is greater that our block size!!");
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if (mCurBlock->mNext == nsnull)
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mCurBlock->mNext = new StackBlock();
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mCurBlock = mCurBlock->mNext;
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mPos = 0;
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}
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// return the chunk they need.
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*aResult = ((char*)mCurBlock->mBlock) + mPos;
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mPos += aSize;
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return NS_OK;
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}
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nsresult
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StackArena::Pop()
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{
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// pop off the mark
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NS_ASSERTION(mStackTop > 0, "Error Pop called 1 too many times");
|
|
mStackTop--;
|
|
mCurBlock = mMarks[mStackTop].mBlock;
|
|
mPos = mMarks[mStackTop].mPos;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
// Memory is allocated 4-byte aligned. We have recyclers for chunks up to
|
|
// 200 bytes
|
|
class FrameArena {
|
|
public:
|
|
FrameArena(PRUint32 aArenaSize = 4096);
|
|
~FrameArena();
|
|
|
|
// Memory management functions
|
|
nsresult AllocateFrame(size_t aSize, void** aResult);
|
|
nsresult FreeFrame(size_t aSize, void* aPtr);
|
|
|
|
private:
|
|
// Underlying arena pool
|
|
PLArenaPool mPool;
|
|
|
|
// The recycler array is sparse with the indices being multiples of 4,
|
|
// i.e., 0, 4, 8, 12, 16, 20, ...
|
|
void* mRecyclers[gMaxRecycledSize >> 2];
|
|
};
|
|
|
|
FrameArena::FrameArena(PRUint32 aArenaSize)
|
|
{
|
|
// Initialize the arena pool
|
|
PL_INIT_ARENA_POOL(&mPool, "FrameArena", aArenaSize);
|
|
|
|
// Zero out the recyclers array
|
|
nsCRT::memset(mRecyclers, 0, sizeof(mRecyclers));
|
|
}
|
|
|
|
FrameArena::~FrameArena()
|
|
{
|
|
// Free the arena in the pool and finish using it
|
|
PL_FinishArenaPool(&mPool);
|
|
}
|
|
|
|
nsresult
|
|
FrameArena::AllocateFrame(size_t aSize, void** aResult)
|
|
{
|
|
void* result = nsnull;
|
|
|
|
// Round size to multiple of 4
|
|
aSize = PR_ROUNDUP(aSize, 4);
|
|
|
|
// Check recyclers first
|
|
if (aSize < gMaxRecycledSize) {
|
|
const int index = aSize >> 2;
|
|
|
|
result = mRecyclers[index];
|
|
if (result) {
|
|
// Need to move to the next object
|
|
void* next = *((void**)result);
|
|
mRecyclers[index] = next;
|
|
}
|
|
}
|
|
|
|
if (!result) {
|
|
// Allocate a new chunk from the arena
|
|
PL_ARENA_ALLOCATE(result, &mPool, aSize);
|
|
}
|
|
|
|
*aResult = result;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
FrameArena::FreeFrame(size_t aSize, void* aPtr)
|
|
{
|
|
// Round size to multiple of 4
|
|
aSize = PR_ROUNDUP(aSize, 4);
|
|
|
|
// See if it's a size that we recycle
|
|
if (aSize < gMaxRecycledSize) {
|
|
const int index = aSize >> 2;
|
|
void* currentTop = mRecyclers[index];
|
|
mRecyclers[index] = aPtr;
|
|
*((void**)aPtr) = currentTop;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
class PresShellViewEventListener : public nsIScrollPositionListener,
|
|
public nsICompositeListener
|
|
{
|
|
public:
|
|
PresShellViewEventListener();
|
|
virtual ~PresShellViewEventListener();
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
// nsIScrollPositionListener methods
|
|
NS_IMETHOD ScrollPositionWillChange(nsIScrollableView *aView, nscoord aX, nscoord aY);
|
|
NS_IMETHOD ScrollPositionDidChange(nsIScrollableView *aView, nscoord aX, nscoord aY);
|
|
|
|
// nsICompositeListener methods
|
|
NS_IMETHOD WillRefreshRegion(nsIViewManager *aViewManager,
|
|
nsIView *aView,
|
|
nsIRenderingContext *aContext,
|
|
nsIRegion *aRegion,
|
|
PRUint32 aUpdateFlags);
|
|
|
|
NS_IMETHOD DidRefreshRegion(nsIViewManager *aViewManager,
|
|
nsIView *aView,
|
|
nsIRenderingContext *aContext,
|
|
nsIRegion *aRegion,
|
|
PRUint32 aUpdateFlags);
|
|
|
|
NS_IMETHOD WillRefreshRect(nsIViewManager *aViewManager,
|
|
nsIView *aView,
|
|
nsIRenderingContext *aContext,
|
|
const nsRect *aRect,
|
|
PRUint32 aUpdateFlags);
|
|
|
|
NS_IMETHOD DidRefreshRect(nsIViewManager *aViewManager,
|
|
nsIView *aView,
|
|
nsIRenderingContext *aContext,
|
|
const nsRect *aRect,
|
|
PRUint32 aUpdateFlags);
|
|
|
|
nsresult SetPresShell(nsIPresShell *aPresShell);
|
|
|
|
private:
|
|
|
|
nsresult HideCaret();
|
|
nsresult RestoreCaretVisibility();
|
|
|
|
nsIPresShell *mPresShell;
|
|
PRBool mWasVisible;
|
|
PRInt32 mCallCount;
|
|
};
|
|
|
|
struct nsDOMEventRequest
|
|
{
|
|
nsIContent* content;
|
|
nsEvent* event;
|
|
nsDOMEventRequest* next;
|
|
};
|
|
|
|
struct nsAttributeChangeRequest
|
|
{
|
|
nsIContent* content;
|
|
PRInt32 nameSpaceID;
|
|
nsIAtom* name;
|
|
nsAutoString value;
|
|
PRBool notify;
|
|
nsAttributeChangeType type;
|
|
nsAttributeChangeRequest* next;
|
|
};
|
|
|
|
struct nsCallbackEventRequest
|
|
{
|
|
nsIReflowCallback* callback;
|
|
nsCallbackEventRequest* next;
|
|
};
|
|
|
|
//----------------------------------------------------------------------
|
|
//
|
|
// DummyLayoutRequest
|
|
//
|
|
// This is a dummy request implementation that we add to the document's load
|
|
// group. It ensures that EndDocumentLoad() in the docshell doesn't fire
|
|
// before we've finished all of layout.
|
|
//
|
|
|
|
class DummyLayoutRequest : public nsIChannel
|
|
{
|
|
protected:
|
|
DummyLayoutRequest(nsIPresShell* aPresShell);
|
|
virtual ~DummyLayoutRequest();
|
|
|
|
static PRInt32 gRefCnt;
|
|
static nsIURI* gURI;
|
|
|
|
nsCOMPtr<nsILoadGroup> mLoadGroup;
|
|
nsWeakPtr mPresShell;
|
|
|
|
public:
|
|
static nsresult
|
|
Create(nsIRequest** aResult, nsIPresShell* aPresShell);
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
// nsIRequest
|
|
NS_IMETHOD GetName(PRUnichar* *result) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
NS_IMETHOD IsPending(PRBool *_retval) { *_retval = PR_TRUE; return NS_OK; }
|
|
NS_IMETHOD GetStatus(nsresult *status) { *status = NS_OK; return NS_OK; }
|
|
NS_IMETHOD Cancel(nsresult status);
|
|
NS_IMETHOD Suspend(void) { return NS_OK; }
|
|
NS_IMETHOD Resume(void) { return NS_OK; }
|
|
|
|
// nsIChannel
|
|
NS_IMETHOD GetOriginalURI(nsIURI* *aOriginalURI) { *aOriginalURI = gURI; NS_ADDREF(*aOriginalURI); return NS_OK; }
|
|
NS_IMETHOD SetOriginalURI(nsIURI* aOriginalURI) { gURI = aOriginalURI; NS_ADDREF(gURI); return NS_OK; }
|
|
NS_IMETHOD GetURI(nsIURI* *aURI) { *aURI = gURI; NS_ADDREF(*aURI); return NS_OK; }
|
|
NS_IMETHOD SetURI(nsIURI* aURI) { gURI = aURI; NS_ADDREF(gURI); return NS_OK; }
|
|
NS_IMETHOD Open(nsIInputStream **_retval) { *_retval = nsnull; return NS_OK; }
|
|
NS_IMETHOD AsyncOpen(nsIStreamListener *listener, nsISupports *ctxt) { return NS_OK; }
|
|
NS_IMETHOD GetLoadFlags(nsLoadFlags *aLoadFlags) { *aLoadFlags = nsIRequest::LOAD_NORMAL; return NS_OK; }
|
|
NS_IMETHOD SetLoadFlags(nsLoadFlags aLoadFlags) { return NS_OK; }
|
|
NS_IMETHOD GetOwner(nsISupports * *aOwner) { *aOwner = nsnull; return NS_OK; }
|
|
NS_IMETHOD SetOwner(nsISupports * aOwner) { return NS_OK; }
|
|
NS_IMETHOD GetLoadGroup(nsILoadGroup * *aLoadGroup) { *aLoadGroup = mLoadGroup; NS_IF_ADDREF(*aLoadGroup); return NS_OK; }
|
|
NS_IMETHOD SetLoadGroup(nsILoadGroup * aLoadGroup) { mLoadGroup = aLoadGroup; return NS_OK; }
|
|
NS_IMETHOD GetNotificationCallbacks(nsIInterfaceRequestor * *aNotificationCallbacks) { *aNotificationCallbacks = nsnull; return NS_OK; }
|
|
NS_IMETHOD SetNotificationCallbacks(nsIInterfaceRequestor * aNotificationCallbacks) { return NS_OK; }
|
|
NS_IMETHOD GetSecurityInfo(nsISupports * *aSecurityInfo) { *aSecurityInfo = nsnull; return NS_OK; }
|
|
NS_IMETHOD GetContentType(char * *aContentType) { *aContentType = nsnull; return NS_OK; }
|
|
NS_IMETHOD SetContentType(const char * aContentType) { return NS_OK; }
|
|
NS_IMETHOD GetContentLength(PRInt32 *aContentLength) { return NS_OK; }
|
|
NS_IMETHOD SetContentLength(PRInt32 aContentLength) { return NS_OK; }
|
|
|
|
};
|
|
|
|
PRInt32 DummyLayoutRequest::gRefCnt;
|
|
nsIURI* DummyLayoutRequest::gURI;
|
|
|
|
NS_IMPL_ADDREF(DummyLayoutRequest);
|
|
NS_IMPL_RELEASE(DummyLayoutRequest);
|
|
NS_IMPL_QUERY_INTERFACE2(DummyLayoutRequest, nsIRequest, nsIChannel);
|
|
|
|
nsresult
|
|
DummyLayoutRequest::Create(nsIRequest** aResult, nsIPresShell* aPresShell)
|
|
{
|
|
DummyLayoutRequest* request = new DummyLayoutRequest(aPresShell);
|
|
if (!request)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
return request->QueryInterface(NS_GET_IID(nsIRequest), (void**) aResult);
|
|
}
|
|
|
|
|
|
DummyLayoutRequest::DummyLayoutRequest(nsIPresShell* aPresShell)
|
|
{
|
|
NS_INIT_REFCNT();
|
|
|
|
if (gRefCnt++ == 0) {
|
|
nsresult rv;
|
|
rv = NS_NewURI(&gURI, "about:layout-dummy-request", nsnull);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "unable to create about:layout-dummy-request");
|
|
}
|
|
|
|
mPresShell = getter_AddRefs(NS_GetWeakReference(aPresShell));
|
|
}
|
|
|
|
|
|
DummyLayoutRequest::~DummyLayoutRequest()
|
|
{
|
|
if (--gRefCnt == 0) {
|
|
NS_IF_RELEASE(gURI);
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
DummyLayoutRequest::Cancel(nsresult status)
|
|
{
|
|
// Cancel layout
|
|
nsresult rv = NS_OK;
|
|
nsCOMPtr<nsIPresShell> presShell = do_QueryReferent(mPresShell);
|
|
if (presShell) {
|
|
rv = presShell->CancelAllReflowCommands();
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class PresShell : public nsIPresShell, public nsIViewObserver,
|
|
private nsIDocumentObserver, public nsIFocusTracker,
|
|
public nsISelectionController,
|
|
public nsSupportsWeakReference
|
|
{
|
|
public:
|
|
PresShell();
|
|
|
|
NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
|
|
|
|
// nsISupports
|
|
NS_DECL_ISUPPORTS
|
|
|
|
// nsIPresShell
|
|
NS_IMETHOD Init(nsIDocument* aDocument,
|
|
nsIPresContext* aPresContext,
|
|
nsIViewManager* aViewManager,
|
|
nsIStyleSet* aStyleSet);
|
|
|
|
NS_IMETHOD AllocateFrame(size_t aSize, void** aResult);
|
|
NS_IMETHOD FreeFrame(size_t aSize, void* aFreeChunk);
|
|
|
|
// Dynamic stack memory allocation
|
|
NS_IMETHOD PushStackMemory();
|
|
NS_IMETHOD PopStackMemory();
|
|
NS_IMETHOD AllocateStackMemory(size_t aSize, void** aResult);
|
|
|
|
NS_IMETHOD GetDocument(nsIDocument** aResult);
|
|
NS_IMETHOD GetPresContext(nsIPresContext** aResult);
|
|
NS_IMETHOD GetViewManager(nsIViewManager** aResult);
|
|
NS_IMETHOD GetStyleSet(nsIStyleSet** aResult);
|
|
NS_IMETHOD GetActiveAlternateStyleSheet(nsString& aSheetTitle);
|
|
NS_IMETHOD SelectAlternateStyleSheet(const nsString& aSheetTitle);
|
|
NS_IMETHOD ListAlternateStyleSheets(nsStringArray& aTitleList);
|
|
NS_IMETHOD SetPreferenceStyleRules(PRBool aForceReflow);
|
|
NS_IMETHOD EnablePrefStyleRules(PRBool aEnable, PRUint8 aPrefType=0xFF);
|
|
NS_IMETHOD ArePrefStyleRulesEnabled(PRBool& aEnabled);
|
|
|
|
NS_IMETHOD SetDisplaySelection(PRInt16 aToggle);
|
|
NS_IMETHOD GetDisplaySelection(PRInt16 *aToggle);
|
|
NS_IMETHOD GetSelection(SelectionType aType, nsISelection** aSelection);
|
|
NS_IMETHOD ScrollSelectionIntoView(SelectionType aType, SelectionRegion aRegion);
|
|
NS_IMETHOD RepaintSelection(SelectionType aType);
|
|
NS_IMETHOD GetFrameSelection(nsIFrameSelection** aSelection);
|
|
|
|
NS_IMETHOD BeginObservingDocument();
|
|
NS_IMETHOD EndObservingDocument();
|
|
NS_IMETHOD InitialReflow(nscoord aWidth, nscoord aHeight);
|
|
NS_IMETHOD ResizeReflow(nscoord aWidth, nscoord aHeight);
|
|
NS_IMETHOD StyleChangeReflow();
|
|
NS_IMETHOD GetRootFrame(nsIFrame** aFrame) const;
|
|
NS_IMETHOD GetPageSequenceFrame(nsIPageSequenceFrame** aResult) const;
|
|
NS_IMETHOD GetPrimaryFrameFor(nsIContent* aContent,
|
|
nsIFrame** aPrimaryFrame) const;
|
|
NS_IMETHOD GetStyleContextFor(nsIFrame* aFrame,
|
|
nsIStyleContext** aStyleContext) const;
|
|
NS_IMETHOD GetLayoutObjectFor(nsIContent* aContent,
|
|
nsISupports** aResult) const;
|
|
NS_IMETHOD GetSubShellFor(nsIContent* aContent,
|
|
nsISupports** aResult) const;
|
|
NS_IMETHOD SetSubShellFor(nsIContent* aContent,
|
|
nsISupports* aSubShell);
|
|
NS_IMETHOD GetPlaceholderFrameFor(nsIFrame* aFrame,
|
|
nsIFrame** aPlaceholderFrame) const;
|
|
NS_IMETHOD AppendReflowCommand(nsIReflowCommand* aReflowCommand);
|
|
NS_IMETHOD AppendReflowCommandInternal(nsIReflowCommand* aReflowCommand,
|
|
nsVoidArray& aQueue);
|
|
NS_IMETHOD CancelReflowCommand(nsIFrame* aTargetFrame,
|
|
nsIReflowCommand::ReflowType* aCmdType);
|
|
NS_IMETHOD CancelReflowCommandInternal(nsIFrame* aTargetFrame,
|
|
nsIReflowCommand::ReflowType* aCmdType,
|
|
nsVoidArray& aQueue);
|
|
NS_IMETHOD CancelAllReflowCommands();
|
|
NS_IMETHOD IsSafeToFlush(PRBool& aIsSafeToFlush);
|
|
NS_IMETHOD FlushPendingNotifications();
|
|
|
|
/**
|
|
* Post a request to handle a DOM event after Reflow has finished.
|
|
*/
|
|
NS_IMETHOD PostDOMEvent(nsIContent* aContent, nsEvent* aEvent);
|
|
|
|
/**
|
|
* Post a request to set and attribute after reflow has finished.
|
|
*/
|
|
NS_IMETHOD PostAttributeChange(nsIContent* aContent,
|
|
PRInt32 aNameSpaceID,
|
|
nsIAtom* aName,
|
|
const nsString& aValue,
|
|
PRBool aNotify,
|
|
nsAttributeChangeType aType);
|
|
|
|
/**
|
|
* Post a callback that should be handled after reflow has finished.
|
|
*/
|
|
NS_IMETHOD PostReflowCallback(nsIReflowCallback* aCallback);
|
|
NS_IMETHOD CancelReflowCallback(nsIReflowCallback* aCallback);
|
|
|
|
/**
|
|
* Reflow batching
|
|
*/
|
|
NS_IMETHOD BeginReflowBatching();
|
|
NS_IMETHOD EndReflowBatching(PRBool aFlushPendingReflows);
|
|
NS_IMETHOD GetReflowBatchingStatus(PRBool* aBatch);
|
|
|
|
NS_IMETHOD ClearFrameRefs(nsIFrame* aFrame);
|
|
NS_IMETHOD CreateRenderingContext(nsIFrame *aFrame,
|
|
nsIRenderingContext** aContext);
|
|
NS_IMETHOD CantRenderReplacedElement(nsIPresContext* aPresContext,
|
|
nsIFrame* aFrame);
|
|
NS_IMETHOD GoToAnchor(const nsString& aAnchorName);
|
|
|
|
NS_IMETHOD ScrollFrameIntoView(nsIFrame *aFrame,
|
|
PRIntn aVPercent,
|
|
PRIntn aHPercent) const;
|
|
|
|
NS_IMETHOD NotifyDestroyingFrame(nsIFrame* aFrame);
|
|
|
|
NS_IMETHOD GetFrameManager(nsIFrameManager** aFrameManager) const;
|
|
|
|
NS_IMETHOD DoCopy();
|
|
|
|
NS_IMETHOD CaptureHistoryState(nsILayoutHistoryState** aLayoutHistoryState, PRBool aLeavingPage);
|
|
NS_IMETHOD GetHistoryState(nsILayoutHistoryState** aLayoutHistoryState);
|
|
NS_IMETHOD SetHistoryState(nsILayoutHistoryState* aLayoutHistoryState);
|
|
|
|
NS_IMETHOD GetGeneratedContentIterator(nsIContent* aContent,
|
|
GeneratedContentType aType,
|
|
nsIContentIterator** aIterator) const;
|
|
|
|
NS_IMETHOD SetAnonymousContentFor(nsIContent* aContent, nsISupportsArray* aAnonymousElements);
|
|
NS_IMETHOD GetAnonymousContentFor(nsIContent* aContent, nsISupportsArray** aAnonymousElements);
|
|
NS_IMETHOD ReleaseAnonymousContent();
|
|
|
|
NS_IMETHOD HandleEventWithTarget(nsEvent* aEvent, nsIFrame* aFrame, nsIContent* aContent, PRUint32 aFlags, nsEventStatus* aStatus);
|
|
NS_IMETHOD GetEventTargetFrame(nsIFrame** aFrame);
|
|
|
|
NS_IMETHOD IsReflowLocked(PRBool* aIsLocked);
|
|
#ifdef IBMBIDI
|
|
NS_IMETHOD SetCursorBidiLevel(PRUint8 aLevel);
|
|
NS_IMETHOD GetCursorBidiLevel(PRUint8 *aOutLevel);
|
|
NS_IMETHOD UndefineCursorBidiLevel();
|
|
NS_IMETHOD BidiStyleChangeReflow();
|
|
#endif
|
|
|
|
//nsIViewObserver interface
|
|
|
|
NS_IMETHOD Paint(nsIView *aView,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect);
|
|
NS_IMETHOD HandleEvent(nsIView* aView,
|
|
nsGUIEvent* aEvent,
|
|
nsEventStatus* aEventStatus,
|
|
PRBool aForceHandle,
|
|
PRBool& aHandled);
|
|
NS_IMETHOD HandleDOMEventWithTarget(nsIContent* aTargetContent,
|
|
nsEvent* aEvent,
|
|
nsEventStatus* aStatus);
|
|
NS_IMETHOD Scrolled(nsIView *aView);
|
|
NS_IMETHOD ResizeReflow(nsIView *aView, nscoord aWidth, nscoord aHeight);
|
|
|
|
//nsIFocusTracker interface
|
|
NS_IMETHOD ScrollFrameIntoView(nsIFrame *aFrame);
|
|
// caret handling
|
|
NS_IMETHOD GetCaret(nsICaret **aOutCaret);
|
|
NS_IMETHOD SetCaretEnabled(PRBool aInEnable);
|
|
NS_IMETHOD SetCaretWidth(PRInt16 twips);
|
|
NS_IMETHOD SetCaretReadOnly(PRBool aReadOnly);
|
|
NS_IMETHOD GetCaretEnabled(PRBool *aOutEnabled);
|
|
|
|
NS_IMETHOD SetDisplayNonTextSelection(PRBool aInEnable);
|
|
NS_IMETHOD GetDisplayNonTextSelection(PRBool *aOutEnable);
|
|
|
|
// nsISelectionController
|
|
|
|
NS_IMETHOD CharacterMove(PRBool aForward, PRBool aExtend);
|
|
NS_IMETHOD WordMove(PRBool aForward, PRBool aExtend);
|
|
NS_IMETHOD LineMove(PRBool aForward, PRBool aExtend);
|
|
NS_IMETHOD IntraLineMove(PRBool aForward, PRBool aExtend);
|
|
NS_IMETHOD PageMove(PRBool aForward, PRBool aExtend);
|
|
NS_IMETHOD ScrollPage(PRBool aForward);
|
|
NS_IMETHOD ScrollLine(PRBool aForward);
|
|
NS_IMETHOD ScrollHorizontal(PRBool aLeft);
|
|
NS_IMETHOD CompleteScroll(PRBool aForward);
|
|
NS_IMETHOD CompleteMove(PRBool aForward, PRBool aExtend);
|
|
NS_IMETHOD SelectAll();
|
|
NS_IMETHOD CheckVisibility(nsIDOMNode *node, PRInt16 startOffset, PRInt16 EndOffset, PRBool *_retval);
|
|
|
|
// nsIDocumentObserver
|
|
NS_IMETHOD BeginUpdate(nsIDocument *aDocument);
|
|
NS_IMETHOD EndUpdate(nsIDocument *aDocument);
|
|
NS_IMETHOD BeginLoad(nsIDocument *aDocument);
|
|
NS_IMETHOD EndLoad(nsIDocument *aDocument);
|
|
NS_IMETHOD BeginReflow(nsIDocument *aDocument, nsIPresShell* aShell);
|
|
NS_IMETHOD EndReflow(nsIDocument *aDocument, nsIPresShell* aShell);
|
|
NS_IMETHOD ContentChanged(nsIDocument *aDocument,
|
|
nsIContent* aContent,
|
|
nsISupports* aSubContent);
|
|
NS_IMETHOD ContentStatesChanged(nsIDocument* aDocument,
|
|
nsIContent* aContent1,
|
|
nsIContent* aContent2);
|
|
NS_IMETHOD AttributeChanged(nsIDocument *aDocument,
|
|
nsIContent* aContent,
|
|
PRInt32 aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
PRInt32 aHint);
|
|
NS_IMETHOD ContentAppended(nsIDocument *aDocument,
|
|
nsIContent* aContainer,
|
|
PRInt32 aNewIndexInContainer);
|
|
NS_IMETHOD ContentInserted(nsIDocument *aDocument,
|
|
nsIContent* aContainer,
|
|
nsIContent* aChild,
|
|
PRInt32 aIndexInContainer);
|
|
NS_IMETHOD ContentReplaced(nsIDocument *aDocument,
|
|
nsIContent* aContainer,
|
|
nsIContent* aOldChild,
|
|
nsIContent* aNewChild,
|
|
PRInt32 aIndexInContainer);
|
|
NS_IMETHOD ContentRemoved(nsIDocument *aDocument,
|
|
nsIContent* aContainer,
|
|
nsIContent* aChild,
|
|
PRInt32 aIndexInContainer);
|
|
NS_IMETHOD StyleSheetAdded(nsIDocument *aDocument,
|
|
nsIStyleSheet* aStyleSheet);
|
|
NS_IMETHOD StyleSheetRemoved(nsIDocument *aDocument,
|
|
nsIStyleSheet* aStyleSheet);
|
|
NS_IMETHOD StyleSheetDisabledStateChanged(nsIDocument *aDocument,
|
|
nsIStyleSheet* aStyleSheet,
|
|
PRBool aDisabled);
|
|
NS_IMETHOD StyleRuleChanged(nsIDocument *aDocument,
|
|
nsIStyleSheet* aStyleSheet,
|
|
nsIStyleRule* aStyleRule,
|
|
PRInt32 aHint);
|
|
NS_IMETHOD StyleRuleAdded(nsIDocument *aDocument,
|
|
nsIStyleSheet* aStyleSheet,
|
|
nsIStyleRule* aStyleRule);
|
|
NS_IMETHOD StyleRuleRemoved(nsIDocument *aDocument,
|
|
nsIStyleSheet* aStyleSheet,
|
|
nsIStyleRule* aStyleRule);
|
|
NS_IMETHOD DocumentWillBeDestroyed(nsIDocument *aDocument);
|
|
|
|
NS_IMETHOD SendInterruptNotificationTo(nsIFrame* aFrame,
|
|
nsIPresShell::InterruptType aInterruptType);
|
|
NS_IMETHOD CancelInterruptNotificationTo(nsIFrame* aFrame,
|
|
nsIPresShell::InterruptType aInterruptType);
|
|
#ifdef MOZ_REFLOW_PERF
|
|
NS_IMETHOD DumpReflows();
|
|
NS_IMETHOD CountReflows(const char * aName, PRUint32 aType, nsIFrame * aFrame);
|
|
NS_IMETHOD PaintCount(const char * aName, nsIRenderingContext* aRenderingContext, nsIPresContext* aPresContext, nsIFrame * aFrame, PRUint32 aColor);
|
|
|
|
NS_IMETHOD SetPaintFrameCount(PRBool aOn);
|
|
|
|
#endif
|
|
|
|
#ifdef PR_LOGGING
|
|
static PRLogModuleInfo* gLog;
|
|
#endif
|
|
|
|
protected:
|
|
virtual ~PresShell();
|
|
|
|
void HandlePostedDOMEvents();
|
|
void HandlePostedAttributeChanges();
|
|
void HandlePostedReflowCallbacks();
|
|
|
|
/** notify all external reflow observers that reflow of type "aData" is about
|
|
* to begin.
|
|
*/
|
|
nsresult NotifyReflowObservers(const char *aData);
|
|
|
|
nsresult ReflowCommandAdded(nsIReflowCommand* aRC);
|
|
nsresult ReflowCommandRemoved(nsIReflowCommand* aRC);
|
|
|
|
// This method should be called after a reflow commands have been
|
|
// removed from the queue, but after the state in the presshell is
|
|
// such that it's safe to flush (i.e. mIsReflowing == PR_FALSE)
|
|
void DoneRemovingReflowCommands();
|
|
|
|
nsresult AddDummyLayoutRequest(void);
|
|
nsresult RemoveDummyLayoutRequest(void);
|
|
|
|
nsresult ReconstructFrames(void);
|
|
nsresult CloneStyleSet(nsIStyleSet* aSet, nsIStyleSet** aResult);
|
|
nsresult WillCauseReflow();
|
|
nsresult DidCauseReflow();
|
|
void ProcessReflowCommand(nsVoidArray& aQueue,
|
|
PRBool aAccumulateTime,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
nsSize& aMaxSize,
|
|
nsIRenderingContext& aRenderingContext);
|
|
nsresult ProcessReflowCommands(PRBool aInterruptible);
|
|
nsresult GetReflowEventStatus(PRBool* aPending);
|
|
nsresult SetReflowEventStatus(PRBool aPending);
|
|
void PostReflowEvent();
|
|
PRBool AlreadyInQueue(nsIReflowCommand* aReflowCommand,
|
|
nsVoidArray& aQueue);
|
|
friend struct ReflowEvent;
|
|
|
|
// utility to determine if we're in the middle of a drag
|
|
PRBool IsDragInProgress ( ) const ;
|
|
|
|
PRBool mCaretEnabled;
|
|
#ifdef IBMBIDI
|
|
PRUint8 mBidiLevel; // The Bidi level of the cursor
|
|
nsCOMPtr<nsIBidiKeyboard> mBidiKeyboard;
|
|
#endif // IBMBIDI
|
|
#ifdef NS_DEBUG
|
|
PRBool VerifyIncrementalReflow();
|
|
PRBool mInVerifyReflow;
|
|
#endif
|
|
|
|
/**
|
|
* methods that manage rules that are used to implement the associated preferences
|
|
* - initially created for bugs 31816, 20760, 22963
|
|
*/
|
|
nsresult ClearPreferenceStyleRules(void);
|
|
nsresult CreatePreferenceStyleSheet(void);
|
|
nsresult SetPrefColorRules(void);
|
|
nsresult SetPrefLinkRules(void);
|
|
nsresult SetPrefFocusRules(void);
|
|
|
|
nsresult SelectContent(nsIContent *aContent);
|
|
|
|
// IMPORTANT: The ownership implicit in the following member variables has been
|
|
// explicitly checked and set using nsCOMPtr for owning pointers and raw COM interface
|
|
// pointers for weak (ie, non owning) references. If you add any members to this
|
|
// class, please make the ownership explicit (pinkerton, scc).
|
|
|
|
// these are the same Document and PresContext owned by the DocViewer.
|
|
// we must share ownership.
|
|
nsCOMPtr<nsIDocument> mDocument;
|
|
nsCOMPtr<nsIPresContext> mPresContext;
|
|
nsCOMPtr<nsIStyleSet> mStyleSet;
|
|
nsICSSStyleSheet* mPrefStyleSheet; // mStyleSet owns it but we maintaina ref, may be null
|
|
PRPackedBool mEnablePrefStyleSheet;
|
|
nsIViewManager* mViewManager; // [WEAK] docViewer owns it so I don't have to
|
|
nsILayoutHistoryState* mHistoryState; // [WEAK] session history owns this
|
|
PRUint32 mUpdateCount;
|
|
// normal reflow commands
|
|
nsVoidArray mReflowCommands;
|
|
// reflow commands targeted at each aFrame who calls SendInterruptNotificationTo(aFrame, Timeout);
|
|
nsVoidArray mTimeoutReflowCommands;
|
|
|
|
PRPackedBool mDocumentLoading;
|
|
PRPackedBool mIsReflowing;
|
|
PRPackedBool mIsDestroying;
|
|
nsIFrame* mCurrentEventFrame;
|
|
nsIContent* mCurrentEventContent;
|
|
nsVoidArray mCurrentEventFrameStack;
|
|
nsVoidArray mCurrentEventContentStack;
|
|
nsSupportsHashtable* mAnonymousContentTable;
|
|
|
|
#ifdef NS_DEBUG
|
|
nsRect mCurrentTargetRect;
|
|
nsIView* mCurrentTargetView;
|
|
#endif
|
|
|
|
nsCOMPtr<nsIFrameSelection> mSelection;
|
|
nsCOMPtr<nsICaret> mCaret;
|
|
PRBool mDisplayNonTextSelection;
|
|
PRBool mScrollingEnabled; //used to disable programmable scrolling from outside
|
|
nsIFrameManager* mFrameManager; // we hold a reference
|
|
PresShellViewEventListener *mViewEventListener;
|
|
PRBool mPendingReflowEvent;
|
|
nsCOMPtr<nsIEventQueue> mEventQueue;
|
|
FrameArena mFrameArena;
|
|
StackArena* mStackArena;
|
|
PRInt32 mAccumulatedReflowTime; // Time spent in reflow command processing so far
|
|
PRPackedBool mBatchReflows; // When set to true, the pres shell batches reflow commands.
|
|
nsCOMPtr<nsIObserverService> mObserverService; // Observer service for reflow events
|
|
nsCOMPtr<nsIDragService> mDragService;
|
|
PRInt32 mRCCreatedDuringLoad; // Counter to keep track of reflow commands created during doc
|
|
nsCOMPtr<nsIRequest> mDummyLayoutRequest;
|
|
|
|
// used for list of posted events and attribute changes. To be done
|
|
// after reflow.
|
|
nsDOMEventRequest* mFirstDOMEventRequest;
|
|
nsDOMEventRequest* mLastDOMEventRequest;
|
|
nsAttributeChangeRequest* mFirstAttributeRequest;
|
|
nsAttributeChangeRequest* mLastAttributeRequest;
|
|
nsCallbackEventRequest* mFirstCallbackEventRequest;
|
|
nsCallbackEventRequest* mLastCallbackEventRequest;
|
|
|
|
// subshell map
|
|
nsDST* mSubShellMap; // map of content/subshell pairs
|
|
nsDST::NodeArena* mDSTNodeArena; // weak link. DST owns (mSubShellMap object)
|
|
|
|
MOZ_TIMER_DECLARE(mReflowWatch) // Used for measuring time spent in reflow
|
|
MOZ_TIMER_DECLARE(mFrameCreationWatch) // Used for measuring time spent in frame creation
|
|
|
|
#ifdef MOZ_REFLOW_PERF
|
|
ReflowCountMgr * mReflowCountMgr;
|
|
#endif
|
|
|
|
private:
|
|
void FreeDynamicStack();
|
|
|
|
//helper funcs for disabing autoscrolling
|
|
void DisableScrolling(){mScrollingEnabled = PR_FALSE;}
|
|
void EnableScrolling(){mScrollingEnabled = PR_TRUE;}
|
|
PRBool IsScrollingEnabled(){return mScrollingEnabled;}
|
|
|
|
//helper funcs for event handling
|
|
nsIFrame* GetCurrentEventFrame();
|
|
void PushCurrentEventInfo(nsIFrame* aFrame, nsIContent* aContent);
|
|
void PopCurrentEventInfo();
|
|
nsresult HandleEventInternal(nsEvent* aEvent, nsIView* aView, PRUint32 aFlags, nsEventStatus *aStatus);
|
|
};
|
|
|
|
#ifdef PR_LOGGING
|
|
PRLogModuleInfo* PresShell::gLog;
|
|
#endif
|
|
|
|
#ifdef NS_DEBUG
|
|
static void
|
|
VerifyStyleTree(nsIPresContext* aPresContext, nsIFrameManager* aFrameManager)
|
|
{
|
|
if (aFrameManager && nsIFrameDebug::GetVerifyStyleTreeEnable()) {
|
|
nsIFrame* rootFrame;
|
|
|
|
aFrameManager->GetRootFrame(&rootFrame);
|
|
aFrameManager->DebugVerifyStyleTree(aPresContext, rootFrame);
|
|
}
|
|
}
|
|
#define VERIFY_STYLE_TREE VerifyStyleTree(mPresContext, mFrameManager)
|
|
#else
|
|
#define VERIFY_STYLE_TREE
|
|
#endif
|
|
|
|
#ifdef NS_DEBUG
|
|
/**
|
|
* Note: the log module is created during library initialization which
|
|
* means that you cannot perform logging before then.
|
|
*/
|
|
static PRLogModuleInfo* gLogModule;
|
|
static PRUint32 gVerifyReflowFlags;
|
|
#endif
|
|
|
|
static PRBool gVerifyReflowEnabled;
|
|
|
|
NS_LAYOUT PRBool
|
|
nsIPresShell::GetVerifyReflowEnable()
|
|
{
|
|
#ifdef NS_DEBUG
|
|
static PRBool firstTime = PR_TRUE;
|
|
if (firstTime) {
|
|
firstTime = PR_FALSE;
|
|
gLogModule = PR_NewLogModule("verifyreflow");
|
|
gVerifyReflowFlags = gLogModule->level;
|
|
if (VERIFY_REFLOW_ON & gVerifyReflowFlags) {
|
|
gVerifyReflowEnabled = PR_TRUE;
|
|
}
|
|
printf("Note: verifyreflow is %sabled",
|
|
gVerifyReflowEnabled ? "en" : "dis");
|
|
if (VERIFY_REFLOW_NOISY & gVerifyReflowFlags) {
|
|
printf(" (noisy)");
|
|
}
|
|
if (VERIFY_REFLOW_ALL & gVerifyReflowFlags) {
|
|
printf(" (all)");
|
|
}
|
|
if (VERIFY_REFLOW_DUMP_COMMANDS & gVerifyReflowFlags) {
|
|
printf(" (show reflow commands)");
|
|
}
|
|
if (VERIFY_REFLOW_NOISY_RC & gVerifyReflowFlags) {
|
|
printf(" (noisy reflow commands)");
|
|
if (VERIFY_REFLOW_REALLY_NOISY_RC & gVerifyReflowFlags) {
|
|
printf(" (REALLY noisy reflow commands)");
|
|
}
|
|
}
|
|
printf("\n");
|
|
}
|
|
#endif
|
|
return gVerifyReflowEnabled;
|
|
}
|
|
|
|
NS_LAYOUT void
|
|
nsIPresShell::SetVerifyReflowEnable(PRBool aEnabled)
|
|
{
|
|
gVerifyReflowEnabled = aEnabled;
|
|
}
|
|
|
|
NS_LAYOUT PRInt32
|
|
nsIPresShell::GetVerifyReflowFlags()
|
|
{
|
|
#ifdef NS_DEBUG
|
|
return gVerifyReflowFlags;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
NS_LAYOUT nsresult
|
|
NS_NewPresShell(nsIPresShell** aInstancePtrResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aInstancePtrResult, "null ptr");
|
|
if (nsnull == aInstancePtrResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
PresShell* it = new PresShell();
|
|
if (nsnull == it) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
return it->QueryInterface(NS_GET_IID(nsIPresShell),
|
|
(void **) aInstancePtrResult);
|
|
}
|
|
|
|
PresShell::PresShell():mAnonymousContentTable(nsnull),
|
|
mStackArena(nsnull),
|
|
mFirstDOMEventRequest(nsnull),
|
|
mLastDOMEventRequest(nsnull),
|
|
mFirstAttributeRequest(nsnull),
|
|
mLastAttributeRequest(nsnull),
|
|
mFirstCallbackEventRequest(nsnull),
|
|
mLastCallbackEventRequest(nsnull)
|
|
{
|
|
NS_INIT_REFCNT();
|
|
mIsDestroying = PR_FALSE;
|
|
mCaretEnabled = PR_FALSE;
|
|
mDisplayNonTextSelection = PR_FALSE;
|
|
mCurrentEventContent = nsnull;
|
|
mCurrentEventFrame = nsnull;
|
|
EnableScrolling();
|
|
#ifdef NS_DEBUG
|
|
mCurrentTargetView = nsnull;
|
|
#endif
|
|
mPendingReflowEvent = PR_FALSE;
|
|
mBatchReflows = PR_FALSE;
|
|
mDocumentLoading = PR_FALSE;
|
|
mSubShellMap = nsnull;
|
|
mRCCreatedDuringLoad = 0;
|
|
mDummyLayoutRequest = nsnull;
|
|
mPrefStyleSheet = nsnull;
|
|
mEnablePrefStyleSheet = PR_TRUE;
|
|
|
|
#ifdef MOZ_REFLOW_PERF
|
|
mReflowCountMgr = new ReflowCountMgr();
|
|
mReflowCountMgr->SetPresContext(mPresContext);
|
|
mReflowCountMgr->SetPresShell(this);
|
|
#endif
|
|
#ifdef IBMBIDI
|
|
mBidiLevel = BIDI_LEVEL_UNDEFINED;
|
|
#endif
|
|
#ifdef PR_LOGGING
|
|
if (! gLog)
|
|
gLog = PR_NewLogModule("PresShell");
|
|
#endif
|
|
}
|
|
|
|
NS_IMPL_ADDREF(PresShell)
|
|
NS_IMPL_RELEASE(PresShell)
|
|
|
|
nsresult
|
|
PresShell::QueryInterface(const nsIID& aIID, void** aInstancePtr)
|
|
{
|
|
if (!aInstancePtr) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
if (aIID.Equals(NS_GET_IID(nsIPresShell))) {
|
|
nsIPresShell* tmp = this;
|
|
*aInstancePtr = (void*) tmp;
|
|
} else if (aIID.Equals(NS_GET_IID(nsIDocumentObserver))) {
|
|
nsIDocumentObserver* tmp = this;
|
|
*aInstancePtr = (void*) tmp;
|
|
} else if (aIID.Equals(NS_GET_IID(nsIViewObserver))) {
|
|
nsIViewObserver* tmp = this;
|
|
*aInstancePtr = (void*) tmp;
|
|
} else if (aIID.Equals(NS_GET_IID(nsIFocusTracker))) {
|
|
nsIFocusTracker* tmp = this;
|
|
*aInstancePtr = (void*) tmp;
|
|
} else if (aIID.Equals(NS_GET_IID(nsISelectionController))) {
|
|
nsISelectionController* tmp = this;
|
|
*aInstancePtr = (void*) tmp;
|
|
} else if (aIID.Equals(NS_GET_IID(nsISupportsWeakReference))) {
|
|
nsISupportsWeakReference* tmp = this;
|
|
*aInstancePtr = (void*) tmp;
|
|
} else if (aIID.Equals(NS_GET_IID(nsISupports))) {
|
|
nsIPresShell* tmp = this;
|
|
nsISupports* tmp2 = tmp;
|
|
*aInstancePtr = (void*) tmp2;
|
|
} else {
|
|
*aInstancePtr = nsnull;
|
|
|
|
return NS_NOINTERFACE;
|
|
}
|
|
|
|
NS_ADDREF_THIS();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
PresShell::~PresShell()
|
|
{
|
|
#ifdef MOZ_REFLOW_PERF
|
|
DumpReflows();
|
|
if (mReflowCountMgr) {
|
|
delete mReflowCountMgr;
|
|
mReflowCountMgr = nsnull;
|
|
}
|
|
#endif
|
|
|
|
// release our pref style sheet, if we have one still
|
|
ClearPreferenceStyleRules();
|
|
|
|
// if we allocated any stack memory free it.
|
|
FreeDynamicStack();
|
|
|
|
// free our table of anonymous content
|
|
ReleaseAnonymousContent();
|
|
|
|
mIsDestroying = PR_TRUE;
|
|
|
|
// Clobber weak leaks in case of re-entrancy during tear down
|
|
mHistoryState = nsnull;
|
|
|
|
// kill subshell map, if any. It holds only weak references
|
|
if (mSubShellMap)
|
|
{
|
|
delete mSubShellMap;
|
|
mSubShellMap = nsnull;
|
|
}
|
|
|
|
// release current event content and any content on event stack
|
|
NS_IF_RELEASE(mCurrentEventContent);
|
|
|
|
PRInt32 i, count = mCurrentEventContentStack.Count();
|
|
nsIContent* currentEventContent;
|
|
for (i = 0; i < count; i++) {
|
|
currentEventContent = (nsIContent*)mCurrentEventContentStack.ElementAt(i);
|
|
NS_IF_RELEASE(currentEventContent);
|
|
}
|
|
|
|
if (mViewManager) {
|
|
// Disable paints during tear down of the frame tree
|
|
mViewManager->DisableRefresh();
|
|
mViewManager = nsnull;
|
|
}
|
|
|
|
// Destroy the frame manager. This will destroy the frame hierarchy
|
|
if (mFrameManager) {
|
|
mFrameManager->Destroy();
|
|
NS_RELEASE(mFrameManager);
|
|
}
|
|
|
|
if (mDocument) {
|
|
mDocument->DeleteShell(this);
|
|
}
|
|
|
|
// We hold a reference to the pres context, and it holds a weak link back
|
|
// to us. To avoid the pres context having a dangling reference, set its
|
|
// pres shell to NULL
|
|
if (mPresContext) {
|
|
mPresContext->SetShell(nsnull);
|
|
}
|
|
|
|
if (mViewEventListener) {
|
|
mViewEventListener->SetPresShell((nsIPresShell*)nsnull);
|
|
NS_RELEASE(mViewEventListener);
|
|
}
|
|
|
|
// Revoke pending reflow events
|
|
if (mPendingReflowEvent) {
|
|
mPendingReflowEvent = PR_FALSE;
|
|
mEventQueue->RevokeEvents(this);
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Initialize the presentation shell. Create view manager and style
|
|
* manager.
|
|
*/
|
|
nsresult
|
|
PresShell::Init(nsIDocument* aDocument,
|
|
nsIPresContext* aPresContext,
|
|
nsIViewManager* aViewManager,
|
|
nsIStyleSet* aStyleSet)
|
|
{
|
|
NS_PRECONDITION(nsnull != aDocument, "null ptr");
|
|
NS_PRECONDITION(nsnull != aPresContext, "null ptr");
|
|
NS_PRECONDITION(nsnull != aViewManager, "null ptr");
|
|
|
|
if ((nsnull == aDocument) || (nsnull == aPresContext) ||
|
|
(nsnull == aViewManager)) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
if (mDocument) {
|
|
return NS_ERROR_ALREADY_INITIALIZED;
|
|
}
|
|
|
|
mDocument = dont_QueryInterface(aDocument);
|
|
mViewManager = aViewManager;
|
|
|
|
//doesn't add a ref since we own it... MMP
|
|
mViewManager->SetViewObserver((nsIViewObserver *)this);
|
|
|
|
// Bind the context to the presentation shell.
|
|
mPresContext = dont_QueryInterface(aPresContext);
|
|
aPresContext->SetShell(this);
|
|
|
|
mStyleSet = dont_QueryInterface(aStyleSet);
|
|
|
|
mHistoryState = nsnull;
|
|
|
|
nsresult result = nsComponentManager::CreateInstance(kFrameSelectionCID, nsnull,
|
|
NS_GET_IID(nsIFrameSelection),
|
|
getter_AddRefs(mSelection));
|
|
if (!NS_SUCCEEDED(result))
|
|
return result;
|
|
|
|
// Create and initialize the frame manager
|
|
result = NS_NewFrameManager(&mFrameManager);
|
|
if (NS_FAILED(result)) {
|
|
return result;
|
|
}
|
|
result = mFrameManager->Init(this, mStyleSet);
|
|
if (NS_FAILED(result)) {
|
|
return result;
|
|
}
|
|
|
|
result = mSelection->Init((nsIFocusTracker *) this, nsnull);
|
|
if (!NS_SUCCEEDED(result))
|
|
return result;
|
|
// Important: this has to happen after the selection has been set up
|
|
#ifdef SHOW_CARET
|
|
// make the caret
|
|
nsresult err = NS_NewCaret(getter_AddRefs(mCaret));
|
|
if (NS_SUCCEEDED(err))
|
|
{
|
|
mCaret->Init(this);
|
|
}
|
|
|
|
//SetCaretEnabled(PR_TRUE); // make it show in browser windows
|
|
#endif
|
|
//set up selection to be displayed in document
|
|
nsCOMPtr<nsISupports> container;
|
|
result = aPresContext->GetContainer(getter_AddRefs(container));
|
|
if (NS_SUCCEEDED(result) && container) {
|
|
nsCOMPtr<nsIDocShellTreeItem> docShell(do_QueryInterface(container, &result));
|
|
if (NS_SUCCEEDED(result) && docShell){
|
|
PRInt32 docShellType;
|
|
result = docShell->GetItemType(&docShellType);
|
|
if (NS_SUCCEEDED(result)){
|
|
if (nsIDocShellTreeItem::typeContent == docShellType){
|
|
SetDisplaySelection(nsISelectionController::SELECTION_ON);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Cache the event queue of the current UI thread
|
|
NS_WITH_SERVICE(nsIEventQueueService, eventService, kEventQueueServiceCID, &result);
|
|
if (NS_SUCCEEDED(result)) // XXX this implies that the UI is the current thread.
|
|
result = eventService->GetThreadEventQueue(NS_CURRENT_THREAD, getter_AddRefs(mEventQueue));
|
|
|
|
|
|
if (gMaxRCProcessingTime == -1) {
|
|
// First, set the defaults
|
|
gMaxRCProcessingTime = NS_MAX_REFLOW_TIME;
|
|
gAsyncReflowDuringDocLoad = PR_TRUE;
|
|
|
|
// Get the prefs service
|
|
NS_WITH_SERVICE(nsIPref, prefs, kPrefServiceCID, &result);
|
|
if (NS_SUCCEEDED(result)) {
|
|
prefs->GetIntPref("layout.reflow.timeslice", &gMaxRCProcessingTime);
|
|
prefs->GetBoolPref("layout.reflow.async.duringDocLoad", &gAsyncReflowDuringDocLoad);
|
|
}
|
|
}
|
|
|
|
// cache the observation service
|
|
mObserverService = do_GetService(NS_OBSERVERSERVICE_CONTRACTID,
|
|
&result);
|
|
if (NS_FAILED(result)) {
|
|
return result;
|
|
}
|
|
|
|
// cache the drag service so we can check it during reflows
|
|
mDragService = do_GetService("@mozilla.org/widget/dragservice;1");
|
|
|
|
#ifdef IBMBIDI
|
|
mBidiKeyboard = do_GetService("@mozilla.org/widget/bidikeyboard;1");
|
|
#endif
|
|
// setup the preference style rules up (no forced reflow)
|
|
SetPreferenceStyleRules(PR_FALSE);
|
|
|
|
#ifdef MOZ_REFLOW_PERF
|
|
// Get the prefs service
|
|
NS_WITH_SERVICE(nsIPref, prefs, kPrefServiceCID, &result);
|
|
if (NS_SUCCEEDED(result)) {
|
|
if (mReflowCountMgr != nsnull) {
|
|
PRBool paintFrameCounts = PR_FALSE;
|
|
PRBool dumpFrameCounts = PR_FALSE;
|
|
PRBool dumpFrameByFrameCounts = PR_FALSE;
|
|
prefs->GetBoolPref("layout.reflow.showframecounts", &paintFrameCounts);
|
|
prefs->GetBoolPref("layout.reflow.dumpframecounts", &dumpFrameCounts);
|
|
prefs->GetBoolPref("layout.reflow.dumpframebyframecounts", &dumpFrameByFrameCounts);
|
|
|
|
mReflowCountMgr->SetDumpFrameCounts(dumpFrameCounts);
|
|
mReflowCountMgr->SetDumpFrameByFrameCounts(dumpFrameByFrameCounts);
|
|
mReflowCountMgr->SetPaintFrameCounts(paintFrameCounts);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// Dynamic stack memory allocation
|
|
NS_IMETHODIMP
|
|
PresShell::PushStackMemory()
|
|
{
|
|
if (nsnull == mStackArena)
|
|
mStackArena = new StackArena();
|
|
|
|
return mStackArena->Push();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::PopStackMemory()
|
|
{
|
|
if (nsnull == mStackArena)
|
|
mStackArena = new StackArena();
|
|
|
|
return mStackArena->Pop();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::AllocateStackMemory(size_t aSize, void** aResult)
|
|
{
|
|
if (nsnull == mStackArena)
|
|
mStackArena = new StackArena();
|
|
|
|
return mStackArena->Allocate(aSize, aResult);
|
|
}
|
|
|
|
void
|
|
PresShell::FreeDynamicStack()
|
|
{
|
|
if (mStackArena) {
|
|
delete mStackArena;
|
|
mStackArena = nsnull;
|
|
}
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::FreeFrame(size_t aSize, void* aPtr)
|
|
{
|
|
mFrameArena.FreeFrame(aSize, aPtr);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::AllocateFrame(size_t aSize, void** aResult)
|
|
{
|
|
return mFrameArena.AllocateFrame(aSize, aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetDocument(nsIDocument** aResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
*aResult = mDocument;
|
|
NS_IF_ADDREF(*aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetPresContext(nsIPresContext** aResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
*aResult = mPresContext;
|
|
NS_IF_ADDREF(*aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetViewManager(nsIViewManager** aResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
*aResult = mViewManager;
|
|
NS_IF_ADDREF(mViewManager);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetStyleSet(nsIStyleSet** aResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
*aResult = mStyleSet;
|
|
NS_IF_ADDREF(*aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetActiveAlternateStyleSheet(nsString& aSheetTitle)
|
|
{ // first non-html sheet in style set that has title
|
|
if (mStyleSet) {
|
|
PRInt32 count = mStyleSet->GetNumberOfDocStyleSheets();
|
|
PRInt32 index;
|
|
nsAutoString textHtml; textHtml.AssignWithConversion("text/html");
|
|
for (index = 0; index < count; index++) {
|
|
nsIStyleSheet* sheet = mStyleSet->GetDocStyleSheetAt(index);
|
|
if (nsnull != sheet) {
|
|
nsAutoString type;
|
|
sheet->GetType(type);
|
|
if (PR_FALSE == type.Equals(textHtml)) {
|
|
nsAutoString title;
|
|
sheet->GetTitle(title);
|
|
if (0 < title.Length()) {
|
|
aSheetTitle = title;
|
|
index = count; // stop looking
|
|
}
|
|
}
|
|
NS_RELEASE(sheet);
|
|
}
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::SelectAlternateStyleSheet(const nsString& aSheetTitle)
|
|
{
|
|
if (mDocument && mStyleSet) {
|
|
PRInt32 count = mDocument->GetNumberOfStyleSheets();
|
|
PRInt32 index;
|
|
nsAutoString textHtml; textHtml.AssignWithConversion("text/html");
|
|
for (index = 0; index < count; index++) {
|
|
nsIStyleSheet* sheet = mDocument->GetStyleSheetAt(index);
|
|
if (nsnull != sheet) {
|
|
nsAutoString type;
|
|
sheet->GetType(type);
|
|
if (PR_FALSE == type.Equals(textHtml)) {
|
|
nsAutoString title;
|
|
sheet->GetTitle(title);
|
|
if (0 < title.Length()) {
|
|
if (title.EqualsIgnoreCase(aSheetTitle)) {
|
|
mStyleSet->AddDocStyleSheet(sheet, mDocument);
|
|
}
|
|
else {
|
|
mStyleSet->RemoveDocStyleSheet(sheet);
|
|
}
|
|
}
|
|
}
|
|
NS_RELEASE(sheet);
|
|
}
|
|
}
|
|
ReconstructFrames();
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::ListAlternateStyleSheets(nsStringArray& aTitleList)
|
|
{
|
|
if (mDocument) {
|
|
PRInt32 count = mDocument->GetNumberOfStyleSheets();
|
|
PRInt32 index;
|
|
nsAutoString textHtml; textHtml.AssignWithConversion("text/html");
|
|
for (index = 0; index < count; index++) {
|
|
nsIStyleSheet* sheet = mDocument->GetStyleSheetAt(index);
|
|
if (nsnull != sheet) {
|
|
nsAutoString type;
|
|
sheet->GetType(type);
|
|
if (PR_FALSE == type.Equals(textHtml)) {
|
|
nsAutoString title;
|
|
sheet->GetTitle(title);
|
|
if (0 < title.Length()) {
|
|
if (-1 == aTitleList.IndexOfIgnoreCase(title)) {
|
|
aTitleList.AppendString(title);
|
|
}
|
|
}
|
|
}
|
|
NS_RELEASE(sheet);
|
|
}
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::EnablePrefStyleRules(PRBool aEnable, PRUint8 aPrefType/*=0xFF*/)
|
|
{
|
|
nsresult result = NS_OK;
|
|
|
|
// capture change in state
|
|
PRBool bChanging = (mEnablePrefStyleSheet != aEnable) ? PR_TRUE : PR_FALSE;
|
|
// set to desired state
|
|
mEnablePrefStyleSheet = aEnable;
|
|
|
|
#ifdef DEBUG_attinasi
|
|
printf("PrefStyleSheet %s %s\n",
|
|
mEnablePrefStyleSheet ? "ENABLED" : "DISABLED",
|
|
bChanging ? "(state toggled)" : "(state unchanged)");
|
|
#endif
|
|
|
|
// deal with changing state
|
|
if(bChanging){
|
|
switch (mEnablePrefStyleSheet){
|
|
case PR_TRUE:
|
|
// was off, now on, so create the rules
|
|
result = SetPreferenceStyleRules(PR_TRUE);
|
|
break;
|
|
default :
|
|
// was on, now off, so clear the rules
|
|
result = ClearPreferenceStyleRules();
|
|
break;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::ArePrefStyleRulesEnabled(PRBool& aEnabled)
|
|
{
|
|
aEnabled = mEnablePrefStyleSheet;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::SetPreferenceStyleRules(PRBool aForceReflow)
|
|
{
|
|
NS_PRECONDITION(mPresContext, "presContext cannot be null");
|
|
if (mPresContext) {
|
|
nsresult result = NS_OK;
|
|
|
|
// zeroth, make sure this feature is enabled
|
|
// XXX: may get more granularity later
|
|
// (i.e. each pref may be controlled independently)
|
|
if (!mEnablePrefStyleSheet) {
|
|
#ifdef DEBUG_attinasi
|
|
printf("PrefStyleSheet disabled\n");
|
|
#endif
|
|
return PR_TRUE;
|
|
}
|
|
|
|
// first, make sure this is not a chrome shell
|
|
nsCOMPtr<nsISupports> container;
|
|
result = mPresContext->GetContainer(getter_AddRefs(container));
|
|
if (NS_SUCCEEDED(result) && container) {
|
|
nsCOMPtr<nsIDocShellTreeItem> docShell(do_QueryInterface(container, &result));
|
|
if (NS_SUCCEEDED(result) && docShell){
|
|
PRInt32 docShellType;
|
|
result = docShell->GetItemType(&docShellType);
|
|
if (NS_SUCCEEDED(result)){
|
|
if (nsIDocShellTreeItem::typeChrome == docShellType){
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (NS_SUCCEEDED(result)) {
|
|
|
|
#ifdef DEBUG_attinasi
|
|
printf("Setting Preference Style Rules:\n");
|
|
#endif
|
|
// if here, we need to create rules for the prefs
|
|
// - this includes the background-color, the text-color,
|
|
// the link color, the visited link color and the link-underlining
|
|
|
|
// first clear any exising rules
|
|
result = ClearPreferenceStyleRules();
|
|
|
|
// now do the color rules
|
|
if (NS_SUCCEEDED(result)) {
|
|
result = SetPrefColorRules();
|
|
}
|
|
|
|
// now the link rules (must come after the color rules, or links will not be correct color!)
|
|
// XXX - when there is both an override and backstop pref stylesheet this won't matter,
|
|
// as the color rules will be overrides and the links rules will be backstop
|
|
if (NS_SUCCEEDED(result)) {
|
|
result = SetPrefLinkRules();
|
|
}
|
|
if (NS_SUCCEEDED(result)) {
|
|
result = SetPrefFocusRules();
|
|
}
|
|
|
|
|
|
// update the styleset now that we are done inserting our rules
|
|
if (NS_SUCCEEDED(result)) {
|
|
if (mStyleSet) {
|
|
mStyleSet->NotifyStyleSheetStateChanged(PR_FALSE);
|
|
}
|
|
}
|
|
}
|
|
#ifdef DEBUG_attinasi
|
|
printf( "Preference Style Rules set: error=%ld\n", (long)result);
|
|
#endif
|
|
|
|
if (aForceReflow){
|
|
#ifdef NS_DEBUG
|
|
printf( "*** Forcing reframe! ***\n");
|
|
#endif
|
|
// this is harsh, but without it the new colors don't appear on the current page
|
|
// Fortunately, it only happens when the prefs change, a rare event.
|
|
// XXX - determine why the normal PresContext::RemapStyleAndReflow doesn't cut it
|
|
ReconstructFrames();
|
|
}
|
|
|
|
return result;
|
|
|
|
} else {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
}
|
|
|
|
nsresult PresShell::ClearPreferenceStyleRules(void)
|
|
{
|
|
nsresult result = NS_OK;
|
|
if (mPrefStyleSheet) {
|
|
NS_ASSERTION(mStyleSet, "null styleset entirely unexpected!");
|
|
if (mStyleSet) {
|
|
// remove the sheet from the styleset:
|
|
// - note that we have to check for success by comparing the count before and after...
|
|
#ifdef NS_DEBUG
|
|
#ifdef PREFS_USE_OVERRIDE
|
|
PRInt32 numBefore = mStyleSet->GetNumberOfOverrideStyleSheets();
|
|
#else
|
|
PRInt32 numBefore = mStyleSet->GetNumberOfBackstopStyleSheets();
|
|
#endif
|
|
NS_ASSERTION(numBefore > 0, "no override stylesheets in styleset, but we have one!");
|
|
#endif
|
|
|
|
#ifdef PREFS_USE_OVERRIDE
|
|
mStyleSet->RemoveOverrideStyleSheet(mPrefStyleSheet);
|
|
#else
|
|
mStyleSet->RemoveBackstopStyleSheet(mPrefStyleSheet);
|
|
#endif
|
|
|
|
#ifdef DEBUG_attinasi
|
|
#ifdef PREFS_USE_OVERRIDE
|
|
NS_ASSERTION((numBefore - 1) == mStyleSet->GetNumberOfOverrideStyleSheets(),
|
|
"Pref stylesheet was not removed");
|
|
#else
|
|
NS_ASSERTION((numBefore - 1) == mStyleSet->GetNumberOfBackstopStyleSheets(),
|
|
"Pref stylesheet was not removed");
|
|
#endif
|
|
printf("PrefStyleSheet removed\n");
|
|
#endif
|
|
// clear the sheet pointer: it is strictly historical now
|
|
NS_IF_RELEASE(mPrefStyleSheet);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
nsresult PresShell::CreatePreferenceStyleSheet(void)
|
|
{
|
|
NS_ASSERTION(mPrefStyleSheet==nsnull, "prefStyleSheet already exists");
|
|
nsresult result = NS_OK;
|
|
|
|
result = nsComponentManager::CreateInstance(kCSSStyleSheetCID,nsnull,NS_GET_IID(nsICSSStyleSheet),(void**)&mPrefStyleSheet);
|
|
if (NS_SUCCEEDED(result)) {
|
|
NS_ASSERTION(mPrefStyleSheet, "null but no error");
|
|
nsCOMPtr<nsIURI> uri;
|
|
result = NS_NewURI(getter_AddRefs(uri), "about:PreferenceStyleSheet", nsnull);
|
|
if (NS_SUCCEEDED(result)) {
|
|
NS_ASSERTION(uri, "null but no error");
|
|
result = mPrefStyleSheet->Init(uri);
|
|
if (NS_SUCCEEDED(result)) {
|
|
mPrefStyleSheet->SetDefaultNameSpaceID(kNameSpaceID_HTML);
|
|
#ifdef PREFS_USE_OVERRIDE
|
|
mStyleSet->AppendOverrideStyleSheet(mPrefStyleSheet);
|
|
#else
|
|
mStyleSet->AppendBackstopStyleSheet(mPrefStyleSheet);
|
|
#endif
|
|
}
|
|
}
|
|
} else {
|
|
result = NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
#ifdef DEBUG_attinasi
|
|
printf("CreatePrefStyleSheet completed: error=%ld\n",(long)result);
|
|
#endif
|
|
|
|
return result;
|
|
}
|
|
|
|
nsresult PresShell::SetPrefColorRules(void)
|
|
{
|
|
NS_ASSERTION(mPresContext,"null prescontext not allowed");
|
|
if (mPresContext) {
|
|
nsresult result = NS_OK;
|
|
PRBool useDocColors = PR_TRUE;
|
|
|
|
// see if we need to create the rules first
|
|
if (NS_SUCCEEDED(mPresContext->GetCachedBoolPref(kPresContext_UseDocumentColors, useDocColors))) {
|
|
if (!useDocColors) {
|
|
|
|
#ifdef DEBUG_attinasi
|
|
printf(" - Creating rules for document colors\n");
|
|
#endif
|
|
|
|
// OK, not using document colors, so we have to force the user's colors via style rules
|
|
if (!mPrefStyleSheet) {
|
|
result = CreatePreferenceStyleSheet();
|
|
}
|
|
if (NS_SUCCEEDED(result)) {
|
|
NS_ASSERTION(mPrefStyleSheet, "prefstylesheet should not be null");
|
|
|
|
nscolor bgColor;
|
|
nscolor textColor;
|
|
result = mPresContext->GetDefaultColor(&textColor);
|
|
if (NS_SUCCEEDED(result)) {
|
|
result = mPresContext->GetDefaultBackgroundColor(&bgColor);
|
|
}
|
|
if (NS_SUCCEEDED(result)) {
|
|
// get the DOM interface to the stylesheet
|
|
nsCOMPtr<nsIDOMCSSStyleSheet> sheet(do_QueryInterface(mPrefStyleSheet,&result));
|
|
if (NS_SUCCEEDED(result)) {
|
|
PRUint32 index = 0;
|
|
nsAutoString strRule,strColor;
|
|
|
|
// create a rule for each color and add it to the style sheet
|
|
// - the rules are !important so they override all but author
|
|
// important rules (when put into a backstop stylesheet) and
|
|
// all (even author important) when put into an override stylesheet
|
|
|
|
///////////////////////////////////////////////////////////////
|
|
// - default color: ':root {color:#RRGGBB !important;}'
|
|
ColorToString(textColor,strColor);
|
|
strRule.Append(NS_LITERAL_STRING(":root {color:"));
|
|
strRule.Append(strColor);
|
|
strRule.Append(NS_LITERAL_STRING(" !important;} "));
|
|
|
|
///////////////////////////////////////////////////////////////
|
|
// - default background color: ':root {background:#RRGGBB !important;}'
|
|
ColorToString(bgColor,strColor);
|
|
strRule.Append(NS_LITERAL_STRING(":root {background:"));
|
|
strRule.Append(strColor);
|
|
strRule.Append(NS_LITERAL_STRING(" !important;} "));
|
|
|
|
///////////////////////////////////////////////////////////////
|
|
// - everything else inherits the color, and has transparent background
|
|
strRule.Append(NS_LITERAL_STRING("* {color: inherit !important; background: transparent !important;} "));
|
|
|
|
// now insert the rule
|
|
result = sheet->InsertRule(strRule,0,&index);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
} else {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
}
|
|
|
|
nsresult PresShell::SetPrefLinkRules(void)
|
|
{
|
|
NS_ASSERTION(mPresContext,"null prescontext not allowed");
|
|
if (mPresContext) {
|
|
nsresult result = NS_OK;
|
|
|
|
if (!mPrefStyleSheet) {
|
|
result = CreatePreferenceStyleSheet();
|
|
}
|
|
if (NS_SUCCEEDED(result)) {
|
|
NS_ASSERTION(mPrefStyleSheet, "prefstylesheet should not be null");
|
|
|
|
// get the DOM interface to the stylesheet
|
|
nsCOMPtr<nsIDOMCSSStyleSheet> sheet(do_QueryInterface(mPrefStyleSheet,&result));
|
|
if (NS_SUCCEEDED(result)) {
|
|
|
|
#ifdef DEBUG_attinasi
|
|
printf(" - Creating rules for link and visited colors\n");
|
|
#endif
|
|
|
|
// support default link colors:
|
|
// this means the link colors need to be overridable,
|
|
// which they are if we put them in the backstop stylesheet,
|
|
// though if using an override sheet this will cause authors grief still
|
|
// In the backstop stylesheet, they are !important when we are ignoring document colors
|
|
//
|
|
// XXX: do active links and visited links get another color?
|
|
// They were red in the html.css rules
|
|
|
|
nscolor linkColor, visitedColor;
|
|
result = mPresContext->GetDefaultLinkColor(&linkColor);
|
|
if (NS_SUCCEEDED(result)) {
|
|
result = mPresContext->GetDefaultVisitedLinkColor(&visitedColor);
|
|
}
|
|
if (NS_SUCCEEDED(result)) {
|
|
// insert a rule to make links the preferred color
|
|
PRUint32 index = 0;
|
|
nsAutoString strRule, strColor;
|
|
PRBool useDocColors = PR_TRUE;
|
|
|
|
// see if we need to create the rules first
|
|
mPresContext->GetCachedBoolPref(kPresContext_UseDocumentColors, useDocColors);
|
|
|
|
///////////////////////////////////////////////////////////////
|
|
// - links: '*:link, *:link:active {color: #RRGGBB [!important];}'
|
|
ColorToString(linkColor,strColor);
|
|
strRule.Append(NS_LITERAL_STRING("*:link, *:link:active {color:"));
|
|
strRule.Append(strColor);
|
|
if (!useDocColors) {
|
|
strRule.Append(NS_LITERAL_STRING(" !important;} "));
|
|
} else {
|
|
strRule.Append(NS_LITERAL_STRING(";} "));
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////
|
|
// - visited links '*:visited, *:visited:active {color: #RRGGBB [!important];}'
|
|
ColorToString(visitedColor,strColor);
|
|
strRule.Append(NS_LITERAL_STRING("*:visited, *:visited:active {color:"));
|
|
strRule.Append(strColor);
|
|
if (!useDocColors) {
|
|
strRule.Append(NS_LITERAL_STRING(" !important;} "));
|
|
} else {
|
|
strRule.Append(NS_LITERAL_STRING(";} "));
|
|
}
|
|
|
|
// insert the rules
|
|
result = sheet->InsertRule(strRule,0,&index);
|
|
}
|
|
|
|
if (NS_SUCCEEDED(result)) {
|
|
PRBool underlineLinks = PR_TRUE;
|
|
result = mPresContext->GetCachedBoolPref(kPresContext_UnderlineLinks,underlineLinks);
|
|
if (NS_SUCCEEDED(result)) {
|
|
// create a rule for underline: on or off
|
|
PRUint32 index = 0;
|
|
nsAutoString strRule;
|
|
if (underlineLinks) {
|
|
// create a rule to make underlining happen
|
|
// ':link, :visited {text-decoration:[underline|none];}'
|
|
// no need for important, we want these to be overridable
|
|
// NOTE: these must go in the backstop stylesheet or they cannot be
|
|
// overridden by authors
|
|
#ifdef DEBUG_attinasi
|
|
printf (" - Creating rules for enabling link underlines\n");
|
|
#endif
|
|
// make a rule to make text-decoration: underline happen for links
|
|
strRule.Append(NS_LITERAL_STRING(":link, :visited {text-decoration:underline;}"));
|
|
} else {
|
|
#ifdef DEBUG_attinasi
|
|
printf (" - Creating rules for disabling link underlines\n");
|
|
#endif
|
|
// make a rule to make text-decoration: none happen for links
|
|
strRule.Append(NS_LITERAL_STRING(":link, :visited {text-decoration:none;}"));
|
|
}
|
|
|
|
// ...now insert the rule
|
|
result = sheet->InsertRule(strRule,0,&index);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
} else {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
}
|
|
|
|
nsresult PresShell::SetPrefFocusRules(void)
|
|
{
|
|
NS_ASSERTION(mPresContext,"null prescontext not allowed");
|
|
nsresult result = NS_OK;
|
|
|
|
if (!mPresContext)
|
|
result = NS_ERROR_FAILURE;
|
|
|
|
if (NS_SUCCEEDED(result) && !mPrefStyleSheet)
|
|
result = CreatePreferenceStyleSheet();
|
|
|
|
if (NS_SUCCEEDED(result)) {
|
|
NS_ASSERTION(mPrefStyleSheet, "prefstylesheet should not be null");
|
|
|
|
// get the DOM interface to the stylesheet
|
|
nsCOMPtr<nsIDOMCSSStyleSheet> sheet(do_QueryInterface(mPrefStyleSheet,&result));
|
|
if (NS_SUCCEEDED(result)) {
|
|
PRBool useFocusColors;
|
|
mPresContext->GetUseFocusColors(useFocusColors);
|
|
nscolor focusBackground, focusText;
|
|
result = mPresContext->GetFocusBackgroundColor(&focusBackground);
|
|
nsresult result2 = mPresContext->GetFocusTextColor(&focusText);
|
|
if (useFocusColors && NS_SUCCEEDED(result) && NS_SUCCEEDED(result2)) {
|
|
// insert a rule to make focus the preferred color
|
|
PRUint32 index = 0;
|
|
nsAutoString strRule, strColor;
|
|
|
|
///////////////////////////////////////////////////////////////
|
|
// - focus: '*:focus
|
|
ColorToString(focusText,strColor);
|
|
strRule.Append(NS_LITERAL_STRING("*:focus,*:focus>font {color: "));
|
|
strRule.Append(strColor);
|
|
strRule.Append(NS_LITERAL_STRING(" !important; background-color: "));
|
|
ColorToString(focusBackground,strColor);
|
|
strRule.Append(strColor);
|
|
strRule.Append(NS_LITERAL_STRING(" !important; } "));
|
|
// insert the rules
|
|
result = sheet->InsertRule(strRule,0,&index);
|
|
}
|
|
PRUint8 focusRingWidth = 1;
|
|
result = mPresContext->GetFocusRingWidth(&focusRingWidth);
|
|
PRBool focusRingOnAnything;
|
|
mPresContext->GetFocusRingOnAnything(focusRingOnAnything);
|
|
|
|
if ((NS_SUCCEEDED(result) && focusRingWidth != 1 && focusRingWidth <= 4 ) || focusRingOnAnything) {
|
|
PRUint32 index = 0;
|
|
nsAutoString strRule;
|
|
if (!focusRingOnAnything)
|
|
strRule.Append(NS_LITERAL_STRING(":link:focus, :visited")); // If we only want focus rings on the normal things like links
|
|
strRule.Append(NS_LITERAL_STRING(":focus {-moz-outline: ")); // For example 3px dotted WindowText (maximum 4)
|
|
strRule.AppendInt(focusRingWidth);
|
|
strRule.Append(NS_LITERAL_STRING("px dotted WindowText !important; } ")); // For example 3px dotted WindowText
|
|
// insert the rules
|
|
if (focusRingWidth != 1) {
|
|
// If the focus ring width is different from the default, fix buttons with rings
|
|
strRule.Append(NS_LITERAL_STRING("button:-moz-focus-inner, input[type=\"reset\"]:-moz-focus-inner,"));
|
|
strRule.Append(NS_LITERAL_STRING("input[type=\"button\"]:-moz-focus-inner, "));
|
|
strRule.Append(NS_LITERAL_STRING("input[type=\"submit\"]:-moz-focus-inner { padding: 1px 2px 1px 2px; border: "));
|
|
strRule.AppendInt(focusRingWidth);
|
|
strRule.Append(NS_LITERAL_STRING("px dotted transparent !important; } "));
|
|
strRule.Append(NS_LITERAL_STRING("button:focus:-moz-focus-inner, input[type=\"reset\"]:focus:-moz-focus-inner,"));
|
|
strRule.Append(NS_LITERAL_STRING("input[type=\"button\"]:focus:-moz-focus-inner, input[type=\"submit\"]:focus:-moz-focus-inner {"));
|
|
strRule.Append(NS_LITERAL_STRING("border-color: ButtonText !important; }"));
|
|
}
|
|
result = sheet->InsertRule(strRule,0,&index);
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::SetDisplaySelection(PRInt16 aToggle)
|
|
{
|
|
return mSelection->SetDisplaySelection(aToggle);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetDisplaySelection(PRInt16 *aToggle)
|
|
{
|
|
return mSelection->GetDisplaySelection(aToggle);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetSelection(SelectionType aType, nsISelection **aSelection)
|
|
{
|
|
if (!aSelection || !mSelection)
|
|
return NS_ERROR_NULL_POINTER;
|
|
return mSelection->GetSelection(aType, aSelection);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::ScrollSelectionIntoView(SelectionType aType, SelectionRegion aRegion)
|
|
{
|
|
if (!mSelection)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
return mSelection->ScrollSelectionIntoView(aType, aRegion);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::RepaintSelection(SelectionType aType)
|
|
{
|
|
if (!mSelection)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
return mSelection->RepaintSelection(mPresContext, aType);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetFrameSelection(nsIFrameSelection** aSelection)
|
|
{
|
|
if (!aSelection || !mSelection)
|
|
return NS_ERROR_NULL_POINTER;
|
|
*aSelection = mSelection;
|
|
(*aSelection)->AddRef();
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
// Make shell be a document observer
|
|
NS_IMETHODIMP
|
|
PresShell::BeginObservingDocument()
|
|
{
|
|
if (mDocument) {
|
|
mDocument->AddObserver(this);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
// Make shell stop being a document observer
|
|
NS_IMETHODIMP
|
|
PresShell::EndObservingDocument()
|
|
{
|
|
if (mDocument) {
|
|
mDocument->RemoveObserver(this);
|
|
}
|
|
if (mSelection){
|
|
nsCOMPtr<nsISelection> domselection;
|
|
nsresult result;
|
|
result = mSelection->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(domselection));
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
if (!domselection)
|
|
return NS_ERROR_UNEXPECTED;
|
|
mSelection->ShutDown();
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
#ifdef DEBUG_kipp
|
|
char* nsPresShell_ReflowStackPointerTop;
|
|
#endif
|
|
|
|
static void CheckForFocus(nsIDocument* aDocument)
|
|
{
|
|
// Now that we have a root frame, set focus in to the presshell, but
|
|
// only do this if our window is currently focused
|
|
// Restore focus if we're the active window or a parent of a previously
|
|
// active window.
|
|
nsCOMPtr<nsIScriptGlobalObject> globalObject;
|
|
aDocument->GetScriptGlobalObject(getter_AddRefs(globalObject));
|
|
nsCOMPtr<nsPIDOMWindow> ourWindow = do_QueryInterface(globalObject);
|
|
nsCOMPtr<nsIFocusController> focusController;
|
|
ourWindow->GetRootFocusController(getter_AddRefs(focusController));
|
|
|
|
if (focusController) {
|
|
// Suppress the command dispatcher.
|
|
focusController->SetSuppressFocus(PR_TRUE);
|
|
nsCOMPtr<nsIDOMWindowInternal> focusedWindow;
|
|
focusController->GetFocusedWindow(getter_AddRefs(focusedWindow));
|
|
|
|
// See if the command dispatcher is holding on to an orphan window.
|
|
// This happens when you move from an inner frame to an outer frame
|
|
// (e.g., _parent, _top)
|
|
if (focusedWindow) {
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
focusedWindow->GetDocument(getter_AddRefs(domDoc));
|
|
if (!domDoc) {
|
|
// We're pointing to garbage. Go ahead and let this
|
|
// presshell take the focus.
|
|
focusedWindow = do_QueryInterface(ourWindow);
|
|
focusController->SetFocusedWindow(focusedWindow);
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMWindowInternal> domWindow = do_QueryInterface(ourWindow);
|
|
if (domWindow == focusedWindow) {
|
|
PRBool active;
|
|
focusController->GetActive(&active);
|
|
focusController->SetFocusedElement(nsnull);
|
|
if(active) {
|
|
// We need to restore focus and make sure we null
|
|
// out the focused element.
|
|
domWindow->Focus();
|
|
}
|
|
}
|
|
focusController->SetSuppressFocus(PR_FALSE);
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
PresShell::NotifyReflowObservers(const char *aData)
|
|
{
|
|
if (!aData) { return NS_ERROR_NULL_POINTER; }
|
|
|
|
nsresult result = NS_OK;
|
|
nsCOMPtr<nsISupports> pContainer;
|
|
nsCOMPtr<nsIDocShell> pDocShell;
|
|
nsAutoString sTopic,
|
|
sData;
|
|
|
|
|
|
result = mPresContext->GetContainer( getter_AddRefs( pContainer ) );
|
|
|
|
if (NS_SUCCEEDED( result ) && pContainer) {
|
|
pDocShell = do_QueryInterface( pContainer,
|
|
&result );
|
|
|
|
if (NS_SUCCEEDED( result ) && pDocShell && mObserverService) {
|
|
sTopic.AssignWithConversion( NS_PRESSHELL_REFLOW_TOPIC );
|
|
sData.AssignWithConversion( aData );
|
|
result = mObserverService->Notify( pDocShell,
|
|
sTopic.GetUnicode( ),
|
|
sData.GetUnicode( ) );
|
|
// notice that we don't really care what the observer service returns
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
static nsresult
|
|
GetRootScrollFrame(nsIPresContext* aPresContext, nsIFrame* aRootFrame, nsIFrame** aScrollFrame) {
|
|
|
|
// Frames: viewport->scroll->scrollport (Gfx) or viewport->scroll (Native)
|
|
// Types: viewport->scroll->sroll viewport->scroll
|
|
|
|
// Ensure root frame is a viewport frame
|
|
*aScrollFrame = nsnull;
|
|
nsIFrame* theFrame = nsnull;
|
|
if (aRootFrame) {
|
|
nsCOMPtr<nsIAtom> fType;
|
|
aRootFrame->GetFrameType(getter_AddRefs(fType));
|
|
if (fType && (nsLayoutAtoms::viewportFrame == fType.get())) {
|
|
|
|
// If child is scrollframe keep it (native)
|
|
aRootFrame->FirstChild(aPresContext, nsnull, &theFrame);
|
|
if (theFrame) {
|
|
theFrame->GetFrameType(getter_AddRefs(fType));
|
|
if (nsLayoutAtoms::scrollFrame == fType.get()) {
|
|
*aScrollFrame = theFrame;
|
|
|
|
// If the first child of that is scrollframe, use it instead (gfx)
|
|
theFrame->FirstChild(aPresContext, nsnull, &theFrame);
|
|
if (theFrame) {
|
|
theFrame->GetFrameType(getter_AddRefs(fType));
|
|
if (nsLayoutAtoms::scrollFrame == fType.get()) {
|
|
*aScrollFrame = theFrame;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::InitialReflow(nscoord aWidth, nscoord aHeight)
|
|
{
|
|
nsIContent* root = nsnull;
|
|
|
|
#ifdef NS_DEBUG
|
|
if (VERIFY_REFLOW_NOISY_RC & gVerifyReflowFlags) {
|
|
nsCOMPtr<nsIURI> uri;
|
|
if (mDocument) {
|
|
uri = dont_AddRef(mDocument->GetDocumentURL());
|
|
if (uri) {
|
|
char* url = nsnull;
|
|
uri->GetSpec(&url);
|
|
printf("*** PresShell::InitialReflow (this=%p, url='%s')\n", this, url);
|
|
Recycle(url);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// notice that we ignore the result
|
|
NotifyReflowObservers(NS_PRESSHELL_INITIAL_REFLOW);
|
|
mCaret->EraseCaret();
|
|
//StCaretHider caretHider(mCaret); // stack-based class hides caret until dtor.
|
|
|
|
WillCauseReflow();
|
|
|
|
if (mPresContext) {
|
|
nsRect r(0, 0, aWidth, aHeight);
|
|
mPresContext->SetVisibleArea(r);
|
|
}
|
|
|
|
if (mDocument) {
|
|
root = mDocument->GetRootContent();
|
|
}
|
|
|
|
// Get the root frame from the frame manager
|
|
nsIFrame* rootFrame;
|
|
mFrameManager->GetRootFrame(&rootFrame);
|
|
|
|
if (nsnull != root) {
|
|
MOZ_TIMER_DEBUGLOG(("Reset and start: Frame Creation: PresShell::InitialReflow(), this=%p\n", this));
|
|
MOZ_TIMER_RESET(mFrameCreationWatch);
|
|
MOZ_TIMER_START(mFrameCreationWatch);
|
|
CtlStyleWatch(kStyleWatchEnable,mStyleSet);
|
|
|
|
if (!rootFrame) {
|
|
// Have style sheet processor construct a frame for the
|
|
// precursors to the root content object's frame
|
|
mStyleSet->ConstructRootFrame(mPresContext, root, rootFrame);
|
|
mFrameManager->SetRootFrame(rootFrame);
|
|
}
|
|
|
|
CheckForFocus(mDocument);
|
|
|
|
// Have the style sheet processor construct frame for the root
|
|
// content object down
|
|
mStyleSet->ContentInserted(mPresContext, nsnull, root, 0);
|
|
NS_RELEASE(root);
|
|
VERIFY_STYLE_TREE;
|
|
MOZ_TIMER_DEBUGLOG(("Stop: Frame Creation: PresShell::InitialReflow(), this=%p\n", this));
|
|
MOZ_TIMER_STOP(mFrameCreationWatch);
|
|
CtlStyleWatch(kStyleWatchDisable,mStyleSet);
|
|
}
|
|
|
|
if (rootFrame) {
|
|
MOZ_TIMER_DEBUGLOG(("Reset and start: Reflow: PresShell::InitialReflow(), this=%p\n", this));
|
|
MOZ_TIMER_RESET(mReflowWatch);
|
|
MOZ_TIMER_START(mReflowWatch);
|
|
// Kick off a top-down reflow
|
|
NS_FRAME_LOG(NS_FRAME_TRACE_CALLS,
|
|
("enter nsPresShell::InitialReflow: %d,%d", aWidth, aHeight));
|
|
#ifdef NS_DEBUG
|
|
if (nsIFrameDebug::GetVerifyTreeEnable()) {
|
|
nsIFrameDebug* frameDebug;
|
|
|
|
if (NS_SUCCEEDED(rootFrame->QueryInterface(NS_GET_IID(nsIFrameDebug),
|
|
(void**)&frameDebug))) {
|
|
frameDebug->VerifyTree();
|
|
}
|
|
}
|
|
#endif
|
|
#ifdef DEBUG_kipp
|
|
nsPresShell_ReflowStackPointerTop = (char*) &aWidth;
|
|
#endif
|
|
nsRect bounds;
|
|
mPresContext->GetVisibleArea(bounds);
|
|
nsSize maxSize(bounds.width, bounds.height);
|
|
nsHTMLReflowMetrics desiredSize(nsnull);
|
|
nsReflowStatus status;
|
|
nsIRenderingContext* rcx = nsnull;
|
|
|
|
nsresult rv=CreateRenderingContext(rootFrame, &rcx);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
mIsReflowing = PR_TRUE;
|
|
|
|
nsHTMLReflowState reflowState(mPresContext, rootFrame,
|
|
eReflowReason_Initial, rcx, maxSize);
|
|
nsIView* view;
|
|
|
|
rootFrame->WillReflow(mPresContext);
|
|
rootFrame->GetView(mPresContext, &view);
|
|
if (view) {
|
|
nsContainerFrame::PositionFrameView(mPresContext, rootFrame, view);
|
|
}
|
|
rootFrame->Reflow(mPresContext, desiredSize, reflowState, status);
|
|
rootFrame->SizeTo(mPresContext, desiredSize.width, desiredSize.height);
|
|
mPresContext->SetVisibleArea(nsRect(0,0,desiredSize.width,desiredSize.height));
|
|
if (view) {
|
|
nsContainerFrame::SyncFrameViewAfterReflow(mPresContext, rootFrame, view,
|
|
nsnull);
|
|
}
|
|
rootFrame->DidReflow(mPresContext, NS_FRAME_REFLOW_FINISHED);
|
|
|
|
#ifdef NS_DEBUG
|
|
if (nsIFrameDebug::GetVerifyTreeEnable()) {
|
|
nsIFrameDebug* frameDebug;
|
|
|
|
if (NS_SUCCEEDED(rootFrame->QueryInterface(NS_GET_IID(nsIFrameDebug),
|
|
(void**)&frameDebug))) {
|
|
frameDebug->VerifyTree();
|
|
}
|
|
}
|
|
#endif
|
|
VERIFY_STYLE_TREE;
|
|
NS_IF_RELEASE(rcx);
|
|
NS_FRAME_LOG(NS_FRAME_TRACE_CALLS, ("exit nsPresShell::InitialReflow"));
|
|
MOZ_TIMER_DEBUGLOG(("Stop: Reflow: PresShell::InitialReflow(), this=%p\n", this));
|
|
MOZ_TIMER_STOP(mReflowWatch);
|
|
|
|
mIsReflowing = PR_FALSE;
|
|
}
|
|
|
|
DidCauseReflow();
|
|
|
|
if (mViewManager && mCaret && !mViewEventListener) {
|
|
nsIScrollableView* scrollingView = nsnull;
|
|
mViewManager->GetRootScrollableView(&scrollingView);
|
|
|
|
if (scrollingView) {
|
|
mViewEventListener = new PresShellViewEventListener;
|
|
|
|
if (!mViewEventListener)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
NS_ADDREF(mViewEventListener);
|
|
mViewEventListener->SetPresShell(this);
|
|
scrollingView->AddScrollPositionListener((nsIScrollPositionListener *)mViewEventListener);
|
|
mViewManager->AddCompositeListener((nsICompositeListener *)mViewEventListener);
|
|
}
|
|
}
|
|
|
|
return NS_OK; //XXX this needs to be real. MMP
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::ResizeReflow(nscoord aWidth, nscoord aHeight)
|
|
{
|
|
// notice that we ignore the result
|
|
NotifyReflowObservers(NS_PRESSHELL_RESIZE_REFLOW);
|
|
mViewManager->CacheWidgetChanges(PR_TRUE);
|
|
|
|
mCaret->EraseCaret();
|
|
//StCaretHider caretHider(mCaret); // stack-based class hides caret until dtor.
|
|
WillCauseReflow();
|
|
|
|
if (mPresContext) {
|
|
nsRect r(0, 0, aWidth, aHeight);
|
|
mPresContext->SetVisibleArea(r);
|
|
}
|
|
|
|
// If we don't have a root frame yet, that means we haven't had our initial
|
|
// reflow...
|
|
nsIFrame* rootFrame;
|
|
mFrameManager->GetRootFrame(&rootFrame);
|
|
if (rootFrame) {
|
|
// Kick off a top-down reflow
|
|
NS_FRAME_LOG(NS_FRAME_TRACE_CALLS,
|
|
("enter nsPresShell::ResizeReflow: %d,%d", aWidth, aHeight));
|
|
#ifdef NS_DEBUG
|
|
if (nsIFrameDebug::GetVerifyTreeEnable()) {
|
|
nsIFrameDebug* frameDebug;
|
|
|
|
if (NS_SUCCEEDED(rootFrame->QueryInterface(NS_GET_IID(nsIFrameDebug),
|
|
(void**)&frameDebug))) {
|
|
frameDebug->VerifyTree();
|
|
}
|
|
}
|
|
#endif
|
|
#ifdef DEBUG_kipp
|
|
nsPresShell_ReflowStackPointerTop = (char*) &aWidth;
|
|
#endif
|
|
nsRect bounds;
|
|
mPresContext->GetVisibleArea(bounds);
|
|
nsSize maxSize(bounds.width, bounds.height);
|
|
nsHTMLReflowMetrics desiredSize(nsnull);
|
|
nsReflowStatus status;
|
|
nsIRenderingContext* rcx = nsnull;
|
|
|
|
nsresult rv=CreateRenderingContext(rootFrame, &rcx);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
nsHTMLReflowState reflowState(mPresContext, rootFrame,
|
|
eReflowReason_Resize, rcx, maxSize);
|
|
nsIView* view;
|
|
|
|
rootFrame->WillReflow(mPresContext);
|
|
rootFrame->GetView(mPresContext, &view);
|
|
if (view) {
|
|
nsContainerFrame::PositionFrameView(mPresContext, rootFrame, view);
|
|
}
|
|
rootFrame->Reflow(mPresContext, desiredSize, reflowState, status);
|
|
rootFrame->SizeTo(mPresContext, desiredSize.width, desiredSize.height);
|
|
if (view) {
|
|
nsContainerFrame::SyncFrameViewAfterReflow(mPresContext, rootFrame, view,
|
|
nsnull);
|
|
}
|
|
rootFrame->DidReflow(mPresContext, NS_FRAME_REFLOW_FINISHED);
|
|
#ifdef NS_DEBUG
|
|
if (nsIFrameDebug::GetVerifyTreeEnable()) {
|
|
nsIFrameDebug* frameDebug;
|
|
|
|
if (NS_SUCCEEDED(rootFrame->QueryInterface(NS_GET_IID(nsIFrameDebug),
|
|
(void**)&frameDebug))) {
|
|
frameDebug->VerifyTree();
|
|
}
|
|
}
|
|
#endif
|
|
VERIFY_STYLE_TREE;
|
|
NS_IF_RELEASE(rcx);
|
|
NS_FRAME_LOG(NS_FRAME_TRACE_CALLS, ("exit nsPresShell::ResizeReflow"));
|
|
|
|
// XXX if debugging then we should assert that the cache is empty
|
|
} else {
|
|
#ifdef NOISY
|
|
printf("PresShell::ResizeReflow: null root frame\n");
|
|
#endif
|
|
}
|
|
DidCauseReflow();
|
|
// if the proper flag is set, VerifyReflow now
|
|
#ifdef NS_DEBUG
|
|
if (GetVerifyReflowEnable() && (VERIFY_REFLOW_DURING_RESIZE_REFLOW & gVerifyReflowFlags))
|
|
{
|
|
mInVerifyReflow = PR_TRUE;
|
|
/*PRBool ok = */VerifyIncrementalReflow();
|
|
mInVerifyReflow = PR_FALSE;
|
|
}
|
|
#endif
|
|
|
|
mViewManager->CacheWidgetChanges(PR_FALSE);
|
|
HandlePostedDOMEvents();
|
|
HandlePostedAttributeChanges();
|
|
HandlePostedReflowCallbacks();
|
|
|
|
//Send resize event from here.
|
|
nsEvent event;
|
|
nsEventStatus status = nsEventStatus_eIgnore;
|
|
event.eventStructType = NS_EVENT;
|
|
event.message = NS_RESIZE_EVENT;
|
|
event.time = 0;
|
|
|
|
nsCOMPtr<nsIScriptGlobalObject> globalObj;
|
|
mDocument->GetScriptGlobalObject(getter_AddRefs(globalObj));
|
|
globalObj->HandleDOMEvent(mPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
|
|
|
|
return NS_OK; //XXX this needs to be real. MMP
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::ScrollFrameIntoView(nsIFrame *aFrame){
|
|
if (!aFrame)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
// Before we scroll the frame into view, ask the command dispatcher
|
|
// if we're resetting focus because a window just got an activate
|
|
// event. If we are, we do not want to scroll the frame into view.
|
|
// Example: The user clicks on an anchor, and then deactivates the
|
|
// window. When they reactivate the window, the expected behavior
|
|
// is not for the anchor link to scroll back into view. That is what
|
|
// this check is preventing.
|
|
nsCOMPtr<nsIContent> content;
|
|
aFrame->GetContent(getter_AddRefs(content));
|
|
if(content) {
|
|
nsCOMPtr<nsIDocument> document;
|
|
content->GetDocument(*getter_AddRefs(document));
|
|
if(document){
|
|
nsCOMPtr<nsIFocusController> focusController;
|
|
nsCOMPtr<nsIScriptGlobalObject> ourGlobal;
|
|
document->GetScriptGlobalObject(getter_AddRefs(ourGlobal));
|
|
nsCOMPtr<nsPIDOMWindow> ourWindow = do_QueryInterface(ourGlobal);
|
|
if(ourWindow) {
|
|
ourWindow->GetRootFocusController(getter_AddRefs(focusController));
|
|
if (focusController) {
|
|
PRBool dontScroll;
|
|
focusController->GetSuppressFocusScroll(&dontScroll);
|
|
if(dontScroll)
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (IsScrollingEnabled())
|
|
return ScrollFrameIntoView(aFrame, NS_PRESSHELL_SCROLL_ANYWHERE,
|
|
NS_PRESSHELL_SCROLL_ANYWHERE);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::NotifyDestroyingFrame(nsIFrame* aFrame)
|
|
{
|
|
// Cancel any pending reflow commands targeted at this frame
|
|
CancelReflowCommandInternal(aFrame, nsnull, mReflowCommands);
|
|
CancelReflowCommandInternal(aFrame, nsnull, mTimeoutReflowCommands);
|
|
|
|
|
|
// Notify the frame manager
|
|
if (mFrameManager) {
|
|
mFrameManager->NotifyDestroyingFrame(aFrame);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetFrameManager(nsIFrameManager** aFrameManager) const
|
|
{
|
|
*aFrameManager = mFrameManager;
|
|
NS_IF_ADDREF(mFrameManager);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP PresShell::GetCaret(nsICaret **outCaret)
|
|
{
|
|
if (!outCaret || !mCaret)
|
|
return NS_ERROR_NULL_POINTER;
|
|
return mCaret->QueryInterface(NS_GET_IID(nsICaret), (void **)outCaret);
|
|
}
|
|
|
|
NS_IMETHODIMP PresShell::SetCaretEnabled(PRBool aInEnable)
|
|
{
|
|
nsresult result = NS_OK;
|
|
PRBool oldEnabled = mCaretEnabled;
|
|
|
|
mCaretEnabled = aInEnable;
|
|
|
|
if (mCaret && (mCaretEnabled != oldEnabled))
|
|
{
|
|
/* Don't change the caret's selection here! This was an evil side-effect of SetCaretEnabled()
|
|
nsCOMPtr<nsIDOMSelection> domSel;
|
|
if (NS_SUCCEEDED(GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(domSel))) && domSel)
|
|
mCaret->SetCaretDOMSelection(domSel);
|
|
*/
|
|
result = mCaret->SetCaretVisible(mCaretEnabled);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP PresShell::SetCaretWidth(PRInt16 pixels)
|
|
{
|
|
return mCaret->SetCaretWidth(pixels);
|
|
}
|
|
|
|
NS_IMETHODIMP PresShell::SetCaretReadOnly(PRBool aReadOnly)
|
|
{
|
|
return mCaret->SetCaretReadOnly(aReadOnly);
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP PresShell::GetCaretEnabled(PRBool *aOutEnabled)
|
|
{
|
|
if (!aOutEnabled) { return NS_ERROR_INVALID_ARG; }
|
|
*aOutEnabled = mCaretEnabled;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP PresShell::SetDisplayNonTextSelection(PRBool aInEnable)
|
|
{
|
|
mDisplayNonTextSelection = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP PresShell::GetDisplayNonTextSelection(PRBool *aOutEnable)
|
|
{
|
|
if (!aOutEnable)
|
|
return NS_ERROR_INVALID_ARG;
|
|
*aOutEnable = mDisplayNonTextSelection;
|
|
return NS_OK;
|
|
}
|
|
|
|
//implementation of nsISelectionController
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::CharacterMove(PRBool aForward, PRBool aExtend)
|
|
{
|
|
return mSelection->CharacterMove(aForward, aExtend);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::WordMove(PRBool aForward, PRBool aExtend)
|
|
{
|
|
return mSelection->WordMove(aForward, aExtend);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::LineMove(PRBool aForward, PRBool aExtend)
|
|
{
|
|
return mSelection->LineMove(aForward, aExtend);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::IntraLineMove(PRBool aForward, PRBool aExtend)
|
|
{
|
|
return mSelection->IntraLineMove(aForward, aExtend);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::PageMove(PRBool aForward, PRBool aExtend)
|
|
{
|
|
return ScrollPage(aForward);
|
|
#if 0
|
|
|
|
nsCOMPtr<nsIViewManager> viewManager;
|
|
nsresult result = GetViewManager(getter_AddRefs(viewManager));
|
|
if (NS_SUCCEEDED(result) && viewManager)
|
|
{
|
|
nsIScrollableView *scrollView;
|
|
result = viewManager->GetRootScrollableView(&scrollView);
|
|
if (NS_SUCCEEDED(result) && scrollView)
|
|
{
|
|
|
|
}
|
|
}
|
|
return result;
|
|
#endif //0
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::ScrollPage(PRBool aForward)
|
|
{
|
|
nsCOMPtr<nsIViewManager> viewManager;
|
|
nsresult result = GetViewManager(getter_AddRefs(viewManager));
|
|
if (NS_SUCCEEDED(result) && viewManager)
|
|
{
|
|
nsIScrollableView *scrollView;
|
|
result = viewManager->GetRootScrollableView(&scrollView);
|
|
if (NS_SUCCEEDED(result) && scrollView)
|
|
{
|
|
scrollView->ScrollByPages(aForward ? 1 : -1);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::ScrollLine(PRBool aForward)
|
|
{
|
|
nsCOMPtr<nsIViewManager> viewManager;
|
|
nsresult result = GetViewManager(getter_AddRefs(viewManager));
|
|
if (NS_SUCCEEDED(result) && viewManager)
|
|
{
|
|
nsIScrollableView *scrollView;
|
|
result = viewManager->GetRootScrollableView(&scrollView);
|
|
if (NS_SUCCEEDED(result) && scrollView)
|
|
{
|
|
scrollView->ScrollByLines(0, aForward ? 1 : -1);
|
|
//NEW FOR LINES
|
|
// force the update to happen now, otherwise multiple scrolls can
|
|
// occur before the update is processed. (bug #7354)
|
|
|
|
// I'd use Composite here, but it doesn't always work.
|
|
// vm->Composite();
|
|
viewManager->ForceUpdate();
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::ScrollHorizontal(PRBool aLeft)
|
|
{
|
|
nsCOMPtr<nsIViewManager> viewManager;
|
|
nsresult result = GetViewManager(getter_AddRefs(viewManager));
|
|
if (NS_SUCCEEDED(result) && viewManager)
|
|
{
|
|
nsIScrollableView *scrollView;
|
|
result = viewManager->GetRootScrollableView(&scrollView);
|
|
if (NS_SUCCEEDED(result) && scrollView)
|
|
{
|
|
scrollView->ScrollByLines(aLeft ? -1 : 1, 0);
|
|
//NEW FOR LINES
|
|
// force the update to happen now, otherwise multiple scrolls can
|
|
// occur before the update is processed. (bug #7354)
|
|
|
|
// I'd use Composite here, but it doesn't always work.
|
|
// vm->Composite();
|
|
viewManager->ForceUpdate();
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::CompleteScroll(PRBool aForward)
|
|
{
|
|
nsCOMPtr<nsIViewManager> viewManager;
|
|
nsresult result = GetViewManager(getter_AddRefs(viewManager));
|
|
if (NS_SUCCEEDED(result) && viewManager)
|
|
{
|
|
nsIScrollableView *scrollView;
|
|
result = viewManager->GetRootScrollableView(&scrollView);
|
|
if (NS_SUCCEEDED(result) && scrollView)
|
|
{
|
|
scrollView->ScrollByWhole(!aForward);//TRUE = top, aForward TRUE=bottom
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::CompleteMove(PRBool aForward, PRBool aExtend)
|
|
{
|
|
nsCOMPtr<nsIDocument> document;
|
|
if (NS_FAILED(GetDocument(getter_AddRefs(document))) || !document)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMNodeList>nodeList;
|
|
nsAutoString bodyTag; bodyTag.AssignWithConversion("body");
|
|
|
|
nsCOMPtr<nsIDOMDocument> doc = do_QueryInterface(document);
|
|
if (!doc)
|
|
return NS_ERROR_FAILURE;
|
|
nsresult result = doc->GetElementsByTagName(bodyTag, getter_AddRefs(nodeList));
|
|
|
|
if (NS_FAILED(result) || !nodeList)
|
|
return result?result:NS_ERROR_NULL_POINTER;
|
|
|
|
PRUint32 count;
|
|
nodeList->GetLength(&count);
|
|
|
|
if (count < 1)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Use the first body node in the list:
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
result = nodeList->Item(0, getter_AddRefs(node));
|
|
if (NS_SUCCEEDED(result) && node)
|
|
{
|
|
//return node->QueryInterface(NS_GET_IID(nsIDOMElement), (void **)aBodyElement);
|
|
// Is above equivalent to this:
|
|
nsCOMPtr<nsIDOMElement> bodyElement = do_QueryInterface(node);
|
|
if (bodyElement)
|
|
{
|
|
nsCOMPtr<nsIContent> bodyContent = do_QueryInterface(bodyElement);
|
|
if (bodyContent)
|
|
{
|
|
PRInt32 offset = 0;
|
|
if (aForward)
|
|
{
|
|
bodyContent->ChildCount(offset);
|
|
}
|
|
result = mSelection->HandleClick(bodyContent,offset,offset,aExtend, PR_FALSE,aExtend);
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::SelectAll()
|
|
{
|
|
return mSelection->SelectAll();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::CheckVisibility(nsIDOMNode *node, PRInt16 startOffset, PRInt16 EndOffset, PRBool *_retval)
|
|
{
|
|
if (!node || startOffset>EndOffset || !_retval || startOffset<0 || EndOffset<0)
|
|
return NS_ERROR_INVALID_ARG;
|
|
*_retval = PR_FALSE; //initialize return parameter
|
|
nsCOMPtr<nsIContent> content(do_QueryInterface(node));
|
|
if (!content)
|
|
return NS_ERROR_FAILURE;
|
|
nsIFrame *frame;
|
|
nsresult result = GetPrimaryFrameFor(content,&frame);
|
|
if (NS_FAILED(result)) //failure is taken as a no.
|
|
return result;
|
|
if (!frame) //no frame to look at so it must not be visible
|
|
return NS_OK;
|
|
//start process now to go through all frames to find startOffset. then check chars after that to see
|
|
//if anything until EndOffset is visible.
|
|
PRBool finished = PR_FALSE;
|
|
frame->CheckVisibility(mPresContext,startOffset,EndOffset,PR_TRUE,&finished, _retval);
|
|
return NS_OK;//dont worry about other return val
|
|
}
|
|
|
|
//end implementations nsISelectionController
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::StyleChangeReflow()
|
|
{
|
|
|
|
// notify any presshell observers about the reflow.
|
|
// notice that we ignore the result
|
|
NotifyReflowObservers(NS_PRESSHELL_STYLE_CHANGE_REFLOW);
|
|
|
|
WillCauseReflow();
|
|
|
|
nsIFrame* rootFrame;
|
|
mFrameManager->GetRootFrame(&rootFrame);
|
|
if (rootFrame) {
|
|
// Kick off a top-down reflow
|
|
NS_FRAME_LOG(NS_FRAME_TRACE_CALLS,
|
|
("enter nsPresShell::StyleChangeReflow"));
|
|
#ifdef NS_DEBUG
|
|
if (nsIFrameDebug::GetVerifyTreeEnable()) {
|
|
nsIFrameDebug* frameDebug;
|
|
|
|
if (NS_SUCCEEDED(rootFrame->QueryInterface(NS_GET_IID(nsIFrameDebug),
|
|
(void**)&frameDebug))) {
|
|
frameDebug->VerifyTree();
|
|
}
|
|
}
|
|
#endif
|
|
nsRect bounds;
|
|
mPresContext->GetVisibleArea(bounds);
|
|
nsSize maxSize(bounds.width, bounds.height);
|
|
nsHTMLReflowMetrics desiredSize(nsnull);
|
|
nsReflowStatus status;
|
|
nsIRenderingContext* rcx = nsnull;
|
|
|
|
nsresult rv=CreateRenderingContext(rootFrame, &rcx);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
nsHTMLReflowState reflowState(mPresContext, rootFrame,
|
|
eReflowReason_StyleChange, rcx, maxSize);
|
|
nsIView* view;
|
|
|
|
rootFrame->WillReflow(mPresContext);
|
|
rootFrame->GetView(mPresContext, &view);
|
|
if (view) {
|
|
nsContainerFrame::PositionFrameView(mPresContext, rootFrame, view);
|
|
}
|
|
rootFrame->Reflow(mPresContext, desiredSize, reflowState, status);
|
|
rootFrame->SizeTo(mPresContext, desiredSize.width, desiredSize.height);
|
|
mPresContext->SetVisibleArea(nsRect(0,0,desiredSize.width,desiredSize.height));
|
|
if (view) {
|
|
nsContainerFrame::SyncFrameViewAfterReflow(mPresContext, rootFrame, view,
|
|
nsnull);
|
|
}
|
|
rootFrame->DidReflow(mPresContext, NS_FRAME_REFLOW_FINISHED);
|
|
#ifdef NS_DEBUG
|
|
if (nsIFrameDebug::GetVerifyTreeEnable()) {
|
|
nsIFrameDebug* frameDebug;
|
|
|
|
if (NS_SUCCEEDED(rootFrame->QueryInterface(NS_GET_IID(nsIFrameDebug),
|
|
(void**)&frameDebug))) {
|
|
frameDebug->VerifyTree();
|
|
}
|
|
}
|
|
#endif
|
|
VERIFY_STYLE_TREE;
|
|
NS_IF_RELEASE(rcx);
|
|
NS_FRAME_LOG(NS_FRAME_TRACE_CALLS, ("exit nsPresShell::StyleChangeReflow"));
|
|
}
|
|
|
|
DidCauseReflow();
|
|
|
|
return NS_OK; //XXX this needs to be real. MMP
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetRootFrame(nsIFrame** aResult) const
|
|
{
|
|
return mFrameManager->GetRootFrame(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetPageSequenceFrame(nsIPageSequenceFrame** aResult) const
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
nsIFrame* rootFrame;
|
|
nsIFrame* child;
|
|
nsIPageSequenceFrame* pageSequence = nsnull;
|
|
|
|
// The page sequence frame is the child of the rootFrame
|
|
mFrameManager->GetRootFrame(&rootFrame);
|
|
rootFrame->FirstChild(mPresContext, nsnull, &child);
|
|
|
|
if (nsnull != child) {
|
|
|
|
// but the child could be wrapped in a scrollframe so lets check
|
|
nsIScrollableFrame* scrollable = nsnull;
|
|
nsresult rv = child->QueryInterface(NS_GET_IID(nsIScrollableFrame),
|
|
(void **)&scrollable);
|
|
if (NS_SUCCEEDED(rv) && (nsnull != scrollable)) {
|
|
// if it is then get the scrolled frame
|
|
scrollable->GetScrolledFrame(nsnull, child);
|
|
}
|
|
|
|
// make sure the child is a pageSequence
|
|
rv = child->QueryInterface(NS_GET_IID(nsIPageSequenceFrame),
|
|
(void**)&pageSequence);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv),"Error: Could not find pageSequence!");
|
|
|
|
*aResult = pageSequence;
|
|
return NS_OK;
|
|
}
|
|
|
|
*aResult = nsnull;
|
|
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::BeginUpdate(nsIDocument *aDocument)
|
|
{
|
|
mUpdateCount++;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::EndUpdate(nsIDocument *aDocument)
|
|
{
|
|
NS_PRECONDITION(0 != mUpdateCount, "too many EndUpdate's");
|
|
if (--mUpdateCount == 0) {
|
|
// XXX do something here
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::BeginLoad(nsIDocument *aDocument)
|
|
{
|
|
#ifdef MOZ_PERF_METRICS
|
|
// Reset style resolution stopwatch maintained by style set
|
|
MOZ_TIMER_DEBUGLOG(("Reset: Style Resolution: PresShell::BeginLoad(), this=%p\n", this));
|
|
CtlStyleWatch(kStyleWatchReset,mStyleSet);
|
|
#endif
|
|
mDocumentLoading = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::EndLoad(nsIDocument *aDocument)
|
|
{
|
|
|
|
// Restore frame state for the root scroll frame
|
|
nsIFrame* rootFrame = nsnull;
|
|
GetRootFrame(&rootFrame);
|
|
if (rootFrame && mHistoryState) {
|
|
nsIFrame* scrollFrame = nsnull;
|
|
GetRootScrollFrame(mPresContext, rootFrame, &scrollFrame);
|
|
if (scrollFrame) {
|
|
mFrameManager->RestoreFrameStateFor(mPresContext, scrollFrame, mHistoryState, nsIStatefulFrame::eDocumentScrollState);
|
|
}
|
|
}
|
|
|
|
#ifdef MOZ_PERF_METRICS
|
|
// Dump reflow, style resolution and frame construction times here.
|
|
MOZ_TIMER_DEBUGLOG(("Stop: Reflow: PresShell::EndLoad(), this=%p\n", this));
|
|
MOZ_TIMER_STOP(mReflowWatch);
|
|
MOZ_TIMER_LOG(("Reflow time (this=%p): ", this));
|
|
MOZ_TIMER_PRINT(mReflowWatch);
|
|
|
|
MOZ_TIMER_DEBUGLOG(("Stop: Frame Creation: PresShell::EndLoad(), this=%p\n", this));
|
|
MOZ_TIMER_STOP(mFrameCreationWatch);
|
|
MOZ_TIMER_LOG(("Frame construction plus style resolution time (this=%p): ", this));
|
|
MOZ_TIMER_PRINT(mFrameCreationWatch);
|
|
|
|
// Print style resolution stopwatch maintained by style set
|
|
MOZ_TIMER_DEBUGLOG(("Stop: Style Resolution: PresShell::EndLoad(), this=%p\n", this));
|
|
CtlStyleWatch(kStyleWatchStop|kStyleWatchDisable, mStyleSet);
|
|
MOZ_TIMER_LOG(("Style resolution time (this=%p): ", this));
|
|
CtlStyleWatch(kStyleWatchPrint, mStyleSet);
|
|
#endif
|
|
mDocumentLoading = PR_FALSE;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::BeginReflow(nsIDocument *aDocument, nsIPresShell* aShell)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::EndReflow(nsIDocument *aDocument, nsIPresShell* aShell)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
// aReflowCommand is considered to be already in the queue if the
|
|
// frame it targets is targeted by a pre-existing reflow command in
|
|
// the queue.
|
|
PRBool
|
|
PresShell::AlreadyInQueue(nsIReflowCommand* aReflowCommand,
|
|
nsVoidArray& aQueue)
|
|
{
|
|
PRInt32 i, n = aQueue.Count();
|
|
nsIFrame* targetFrame;
|
|
PRBool inQueue = PR_FALSE;
|
|
|
|
if (NS_SUCCEEDED(aReflowCommand->GetTarget(targetFrame))) {
|
|
// Iterate over the reflow commands and compare the targeted frames.
|
|
for (i = 0; i < n; i++) {
|
|
nsIReflowCommand* rc = (nsIReflowCommand*) aQueue.ElementAt(i);
|
|
if (rc) {
|
|
nsIFrame* targetOfQueuedRC;
|
|
if (NS_SUCCEEDED(rc->GetTarget(targetOfQueuedRC))) {
|
|
nsIReflowCommand::ReflowType RCType;
|
|
nsIReflowCommand::ReflowType queuedRCType;
|
|
aReflowCommand->GetType(RCType);
|
|
rc->GetType(queuedRCType);
|
|
if (targetFrame == targetOfQueuedRC &&
|
|
RCType == queuedRCType) {
|
|
#ifdef DEBUG
|
|
if (VERIFY_REFLOW_NOISY_RC & gVerifyReflowFlags) {
|
|
printf("*** PresShell::AlreadyInQueue(): Discarding reflow command: this=%p\n", this);
|
|
aReflowCommand->List(stdout);
|
|
}
|
|
#endif
|
|
inQueue = PR_TRUE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return inQueue;
|
|
}
|
|
|
|
void
|
|
NotifyAncestorFramesOfReflowCommand(nsIPresShell* aPresShell,
|
|
nsIReflowCommand* aRC,
|
|
PRBool aCommandAdded)
|
|
{
|
|
if (aRC) {
|
|
nsIFrame* target;
|
|
aRC->GetTarget(target);
|
|
if (target) {
|
|
nsIFrame* ancestor;
|
|
target->GetParent(&ancestor);
|
|
while(ancestor) {
|
|
ancestor->ReflowCommandNotify(aPresShell, aRC, aCommandAdded);
|
|
ancestor->GetParent(&ancestor);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::AppendReflowCommandInternal(nsIReflowCommand* aReflowCommand,
|
|
nsVoidArray& aQueue)
|
|
{
|
|
#ifdef DEBUG
|
|
//printf("gShellCounter: %d\n", gShellCounter++);
|
|
if (mInVerifyReflow) {
|
|
return NS_OK;
|
|
}
|
|
if (VERIFY_REFLOW_NOISY_RC & gVerifyReflowFlags) {
|
|
printf("\nPresShell@%p: adding reflow command\n", this);
|
|
aReflowCommand->List(stdout);
|
|
if (VERIFY_REFLOW_REALLY_NOISY_RC & gVerifyReflowFlags) {
|
|
printf("Current content model:\n");
|
|
nsCOMPtr<nsIContent> rootContent;
|
|
rootContent = getter_AddRefs(mDocument->GetRootContent());
|
|
if (rootContent) {
|
|
rootContent->List(stdout, 0);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// Add the reflow command to the queue
|
|
nsresult rv = NS_OK;
|
|
// don't check for duplicates on the timeout queue - it is responsiblity of frames
|
|
// who call SendInterruptNotificationTo to make sure there are no duplicates
|
|
if ((&aQueue == &mTimeoutReflowCommands) ||
|
|
((&aQueue == &mReflowCommands) && !AlreadyInQueue(aReflowCommand, aQueue))) {
|
|
NS_ADDREF(aReflowCommand);
|
|
rv = (aQueue.AppendElement(aReflowCommand) ? NS_OK : NS_ERROR_OUT_OF_MEMORY);
|
|
ReflowCommandAdded(aReflowCommand);
|
|
NotifyAncestorFramesOfReflowCommand(this, aReflowCommand, PR_TRUE);
|
|
}
|
|
|
|
// For async reflow during doc load, post a reflow event if we are not batching reflow commands.
|
|
// For sync reflow during doc load, post a reflow event if we are not batching reflow commands
|
|
// and the document is not loading.
|
|
if ((gAsyncReflowDuringDocLoad && !mBatchReflows) ||
|
|
(!gAsyncReflowDuringDocLoad && !mBatchReflows && !mDocumentLoading)) {
|
|
// If we're in the middle of a drag, process it right away (needed for mac,
|
|
// might as well do it on all platforms just to keep the code paths the same).
|
|
if ( !IsDragInProgress() )
|
|
PostReflowEvent();
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::AppendReflowCommand(nsIReflowCommand* aReflowCommand)
|
|
{
|
|
return AppendReflowCommandInternal(aReflowCommand, mReflowCommands);
|
|
}
|
|
|
|
|
|
//
|
|
// IsDragInProgress
|
|
//
|
|
// Ask the drag service if we're in the middle of a drag
|
|
//
|
|
PRBool
|
|
PresShell :: IsDragInProgress ( ) const
|
|
{
|
|
PRBool dragInProgress = PR_FALSE;
|
|
if ( mDragService ) {
|
|
nsCOMPtr<nsIDragSession> session;
|
|
mDragService->GetCurrentSession ( getter_AddRefs(session) );
|
|
if ( session )
|
|
dragInProgress = PR_TRUE;
|
|
}
|
|
|
|
return dragInProgress;
|
|
|
|
} // IsDragInProgress
|
|
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::CancelReflowCommandInternal(nsIFrame* aTargetFrame,
|
|
nsIReflowCommand::ReflowType* aCmdType,
|
|
nsVoidArray& aQueue)
|
|
{
|
|
PRInt32 i, n = aQueue.Count();
|
|
for (i = 0; i < n; i++) {
|
|
nsIReflowCommand* rc = (nsIReflowCommand*) aQueue.ElementAt(i);
|
|
if (rc) {
|
|
nsIFrame* target;
|
|
if (NS_SUCCEEDED(rc->GetTarget(target))) {
|
|
if (target == aTargetFrame) {
|
|
if (aCmdType != NULL) {
|
|
// If aCmdType is specified, only remove reflow commands
|
|
// of that type
|
|
nsIReflowCommand::ReflowType type;
|
|
if (NS_SUCCEEDED(rc->GetType(type))) {
|
|
if (type != *aCmdType)
|
|
continue;
|
|
}
|
|
}
|
|
#ifdef DEBUG
|
|
if (VERIFY_REFLOW_NOISY_RC & gVerifyReflowFlags) {
|
|
printf("PresShell: removing rc=%p for frame ", rc);
|
|
nsFrame::ListTag(stdout, aTargetFrame);
|
|
printf("\n");
|
|
}
|
|
#endif
|
|
aQueue.RemoveElementAt(i);
|
|
ReflowCommandRemoved(rc);
|
|
NotifyAncestorFramesOfReflowCommand(this, rc, PR_FALSE);
|
|
NS_RELEASE(rc);
|
|
n--;
|
|
i--;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
DoneRemovingReflowCommands();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::CancelReflowCommand(nsIFrame* aTargetFrame,
|
|
nsIReflowCommand::ReflowType* aCmdType)
|
|
{
|
|
return CancelReflowCommandInternal(aTargetFrame, aCmdType, mReflowCommands);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::CancelAllReflowCommands()
|
|
{
|
|
PRInt32 n = mReflowCommands.Count();
|
|
nsIReflowCommand* rc;
|
|
PRInt32 i;
|
|
for (i = 0; i < n; i++) {
|
|
rc = NS_STATIC_CAST(nsIReflowCommand*, mReflowCommands.ElementAt(0));
|
|
mReflowCommands.RemoveElementAt(0);
|
|
ReflowCommandRemoved(rc);
|
|
NS_RELEASE(rc);
|
|
}
|
|
|
|
n = mTimeoutReflowCommands.Count();
|
|
for (i = 0; i < n; i++) {
|
|
rc = NS_STATIC_CAST(nsIReflowCommand*, mTimeoutReflowCommands.ElementAt(0));
|
|
mTimeoutReflowCommands.RemoveElementAt(0);
|
|
ReflowCommandRemoved(rc);
|
|
NS_RELEASE(rc);
|
|
}
|
|
|
|
DoneRemovingReflowCommands();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::ClearFrameRefs(nsIFrame* aFrame)
|
|
{
|
|
nsIEventStateManager *manager;
|
|
if (NS_OK == mPresContext->GetEventStateManager(&manager)) {
|
|
manager->ClearFrameRefs(aFrame);
|
|
NS_RELEASE(manager);
|
|
}
|
|
|
|
if (mCaret) {
|
|
mCaret->ClearFrameRefs(aFrame);
|
|
}
|
|
|
|
if (aFrame == mCurrentEventFrame) {
|
|
aFrame->GetContent(&mCurrentEventContent);
|
|
mCurrentEventFrame = nsnull;
|
|
}
|
|
|
|
for (int i=0; i<mCurrentEventFrameStack.Count(); i++) {
|
|
if (aFrame == (nsIFrame*)mCurrentEventFrameStack.ElementAt(i)) {
|
|
//One of our stack frames was deleted. Get its content so that when we
|
|
//pop it we can still get its new frame from its content
|
|
nsIContent *currentEventContent;
|
|
aFrame->GetContent(¤tEventContent);
|
|
mCurrentEventContentStack.ReplaceElementAt((void*)currentEventContent, i);
|
|
mCurrentEventFrameStack.ReplaceElementAt(nsnull, i);
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::CreateRenderingContext(nsIFrame *aFrame,
|
|
nsIRenderingContext** aResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
nsIView *view = nsnull;
|
|
nsPoint pt;
|
|
nsresult rv;
|
|
|
|
aFrame->GetView(mPresContext, &view);
|
|
|
|
if (nsnull == view)
|
|
aFrame->GetOffsetFromView(mPresContext, pt, &view);
|
|
|
|
nsCOMPtr<nsIWidget> widget;
|
|
if (nsnull != view) {
|
|
nsCOMPtr<nsIViewManager> vm;
|
|
view->GetViewManager(*getter_AddRefs(vm));
|
|
vm->GetWidgetForView(view, getter_AddRefs(widget));
|
|
}
|
|
|
|
nsCOMPtr<nsIDeviceContext> dx;
|
|
|
|
nsIRenderingContext* result = nsnull;
|
|
rv = mPresContext->GetDeviceContext(getter_AddRefs(dx));
|
|
if (NS_SUCCEEDED(rv) && dx) {
|
|
if (nsnull != widget) {
|
|
rv = dx->CreateRenderingContext(widget, result);
|
|
}
|
|
else {
|
|
rv = dx->CreateRenderingContext(result);
|
|
}
|
|
}
|
|
*aResult = result;
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::CantRenderReplacedElement(nsIPresContext* aPresContext,
|
|
nsIFrame* aFrame)
|
|
{
|
|
if (mFrameManager) {
|
|
return mFrameManager->CantRenderReplacedElement(aPresContext, aFrame);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GoToAnchor(const nsString& aAnchorName)
|
|
{
|
|
nsCOMPtr<nsIDOMDocument> doc = do_QueryInterface(mDocument);
|
|
nsCOMPtr<nsIDOMHTMLDocument> htmlDoc = do_QueryInterface(mDocument);
|
|
nsresult rv = NS_OK;
|
|
nsCOMPtr<nsIContent> content;
|
|
|
|
// Search for an element with a matching "id" attribute
|
|
if (doc) {
|
|
nsCOMPtr<nsIDOMElement> element;
|
|
rv = doc->GetElementById(aAnchorName, getter_AddRefs(element));
|
|
if (NS_SUCCEEDED(rv) && element) {
|
|
// Get the nsIContent interface, because that's what we need to
|
|
// get the primary frame
|
|
content = do_QueryInterface(element);
|
|
}
|
|
}
|
|
|
|
// Search for an anchor element with a matching "name" attribute
|
|
if (!content && htmlDoc) {
|
|
nsCOMPtr<nsIDOMNodeList> list;
|
|
// Find a matching list of named nodes
|
|
rv = htmlDoc->GetElementsByName(aAnchorName, getter_AddRefs(list));
|
|
if (NS_SUCCEEDED(rv) && list) {
|
|
PRUint32 count;
|
|
PRUint32 i;
|
|
list->GetLength(&count);
|
|
// Loop through the named nodes looking for the first anchor
|
|
for (i = 0; i < count; i++) {
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
rv = list->Item(i, getter_AddRefs(node));
|
|
if (NS_FAILED(rv)) {
|
|
break;
|
|
}
|
|
// Ensure it's an anchor element
|
|
nsCOMPtr<nsIDOMElement> element = do_QueryInterface(node);
|
|
nsAutoString tagName;
|
|
if (element && NS_SUCCEEDED(element->GetTagName(tagName))) {
|
|
tagName.ToLowerCase();
|
|
if (tagName.EqualsWithConversion("a")) {
|
|
content = do_QueryInterface(element);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Search for anchor in the HTML namespace with a matching name
|
|
if (!content && !htmlDoc)
|
|
{
|
|
nsCOMPtr<nsIDOMNodeList> list;
|
|
NS_NAMED_LITERAL_STRING(nameSpace, "http://www.w3.org/1999/xhtml");
|
|
// Get the list of anchor elements
|
|
rv = doc->GetElementsByTagNameNS(nameSpace, NS_LITERAL_STRING("a"), getter_AddRefs(list));
|
|
if (NS_SUCCEEDED(rv) && list) {
|
|
PRUint32 count;
|
|
PRUint32 i;
|
|
list->GetLength(&count);
|
|
// Loop through the named nodes looking for the first anchor
|
|
for (i = 0; i < count; i++) {
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
rv = list->Item(i, getter_AddRefs(node));
|
|
if (NS_FAILED(rv)) {
|
|
break;
|
|
}
|
|
// Compare the name attribute
|
|
nsCOMPtr<nsIDOMElement> element = do_QueryInterface(node);
|
|
nsAutoString value;
|
|
if (element && NS_SUCCEEDED(element->GetAttribute(NS_LITERAL_STRING("name"), value))) {
|
|
if (value.EqualsWithConversion(aAnchorName)) {
|
|
content = do_QueryInterface(element);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
if (content) {
|
|
nsIFrame* frame;
|
|
|
|
// Get the primary frame
|
|
if (NS_SUCCEEDED(GetPrimaryFrameFor(content, &frame))) {
|
|
rv = ScrollFrameIntoView(frame, NS_PRESSHELL_SCROLL_TOP,
|
|
NS_PRESSHELL_SCROLL_ANYWHERE);
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
|
// Should we select the target?
|
|
// This action is controlled by a preference: the default is to not select.
|
|
nsCOMPtr<nsIPref> prefs(do_GetService(kPrefServiceCID,&rv));
|
|
if (NS_SUCCEEDED(rv) && prefs) {
|
|
PRBool selectAnchor;
|
|
rv = prefs->GetBoolPref("layout.selectanchor",&selectAnchor);
|
|
if (NS_SUCCEEDED(rv) && selectAnchor) {
|
|
rv = SelectContent(content);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
rv = NS_ERROR_FAILURE;
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
PresShell::SelectContent(nsIContent *aContent)
|
|
{
|
|
nsresult rv;
|
|
nsCOMPtr<nsISelection> sel;
|
|
rv = GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(sel));
|
|
if (NS_SUCCEEDED(rv) && sel) {
|
|
nsCOMPtr<nsIDOMRange> range(do_CreateInstance(kRangeCID,&rv));
|
|
nsCOMPtr<nsIDOMNode> node(do_QueryInterface(aContent));
|
|
if (NS_SUCCEEDED(rv) && node) {
|
|
rv = range->SelectNode(node);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
sel->RemoveAllRanges();
|
|
rv = sel->AddRange(range);
|
|
}
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::ScrollFrameIntoView(nsIFrame *aFrame,
|
|
PRIntn aVPercent,
|
|
PRIntn aHPercent) const
|
|
{
|
|
nsresult rv = NS_OK;
|
|
if (!aFrame) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
// Before we scroll the frame into view, ask the command dispatcher
|
|
// if we're resetting focus because a window just got an activate
|
|
// event. If we are, we do not want to scroll the frame into view.
|
|
// Example: The user clicks on an anchor, and then deactivates the
|
|
// window. When they reactivate the window, the expected behavior
|
|
// is not for the anchor link to scroll back into view. That is what
|
|
// this check is preventing.
|
|
// XXX: The dependency on the command dispatcher needs to be fixed.
|
|
nsCOMPtr<nsIContent> content;
|
|
aFrame->GetContent(getter_AddRefs(content));
|
|
if(content) {
|
|
nsCOMPtr<nsIDocument> document;
|
|
content->GetDocument(*getter_AddRefs(document));
|
|
if(document){
|
|
nsCOMPtr<nsIFocusController> focusController;
|
|
nsCOMPtr<nsIScriptGlobalObject> ourGlobal;
|
|
document->GetScriptGlobalObject(getter_AddRefs(ourGlobal));
|
|
nsCOMPtr<nsPIDOMWindow> ourWindow = do_QueryInterface(ourGlobal);
|
|
if(ourWindow) {
|
|
ourWindow->GetRootFocusController(getter_AddRefs(focusController));
|
|
if (focusController) {
|
|
PRBool dontScroll;
|
|
focusController->GetSuppressFocusScroll(&dontScroll);
|
|
if(dontScroll)
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mViewManager) {
|
|
// Get the viewport scroller
|
|
nsIScrollableView* scrollingView;
|
|
mViewManager->GetRootScrollableView(&scrollingView);
|
|
|
|
if (scrollingView) {
|
|
nsIView* scrolledView;
|
|
nsPoint offset;
|
|
nsIView* closestView;
|
|
|
|
// Determine the offset from aFrame to the scrolled view. We do that by
|
|
// getting the offset from its closest view and then walking up
|
|
scrollingView->GetScrolledView(scrolledView);
|
|
aFrame->GetOffsetFromView(mPresContext, offset, &closestView);
|
|
|
|
// If this is an inline frame, we need to change the top of the
|
|
// offset to include the whole line.
|
|
nsCOMPtr<nsIAtom> frameType;
|
|
nsIFrame *prevFrame = aFrame;
|
|
nsIFrame *frame = aFrame;
|
|
while (frame && (frame->GetFrameType(getter_AddRefs(frameType)),
|
|
frameType.get() == nsLayoutAtoms::inlineFrame)) {
|
|
prevFrame = frame;
|
|
prevFrame->GetParent(&frame);
|
|
}
|
|
if (frame != aFrame &&
|
|
frame &&
|
|
frameType.get() == nsLayoutAtoms::blockFrame) {
|
|
// find the line containing aFrame and increase the top of |offset|.
|
|
nsCOMPtr<nsILineIterator> lines( do_QueryInterface(frame) );
|
|
if (lines) {
|
|
PRInt32 index = -1;
|
|
lines->FindLineContaining(prevFrame, &index);
|
|
if (index >= 0) {
|
|
nsIFrame *trash1;
|
|
PRInt32 trash2;
|
|
nsRect lineBounds;
|
|
PRUint32 trash3;
|
|
if (NS_SUCCEEDED(lines->GetLine(index, &trash1, &trash2,
|
|
lineBounds, &trash3))) {
|
|
nsPoint blockOffset;
|
|
nsIView* blockView;
|
|
frame->GetOffsetFromView(mPresContext, blockOffset, &blockView);
|
|
if (blockView == closestView) {
|
|
// XXX If views not equal, this is hard. Do we want to bother?
|
|
nscoord newoffset = lineBounds.y + blockOffset.y;
|
|
if (newoffset < offset.y) offset.y = newoffset;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// XXX Deal with the case where there is a scrolled element, e.g., a
|
|
// DIV in the middle...
|
|
while ((closestView != nsnull) && (closestView != scrolledView)) {
|
|
nscoord x, y;
|
|
|
|
// Update the offset
|
|
closestView->GetPosition(&x, &y);
|
|
offset.MoveBy(x, y);
|
|
|
|
// Get its parent view
|
|
closestView->GetParent(closestView);
|
|
}
|
|
|
|
// Determine the visible rect in the scrolled view's coordinate space.
|
|
// The size of the visible area is the clip view size
|
|
const nsIView* clipView;
|
|
nsRect visibleRect;
|
|
|
|
scrollingView->GetScrollPosition(visibleRect.x, visibleRect.y);
|
|
scrollingView->GetClipView(&clipView);
|
|
clipView->GetDimensions(&visibleRect.width, &visibleRect.height);
|
|
|
|
// The actual scroll offsets
|
|
nscoord scrollOffsetX = visibleRect.x;
|
|
nscoord scrollOffsetY = visibleRect.y;
|
|
|
|
// The frame's bounds in the coordinate space of the scrolled frame
|
|
nsRect frameBounds;
|
|
aFrame->GetRect(frameBounds);
|
|
frameBounds.x = offset.x;
|
|
frameBounds.y = offset.y;
|
|
|
|
// See how the frame should be positioned vertically
|
|
if (NS_PRESSHELL_SCROLL_ANYWHERE == aVPercent) {
|
|
// The caller doesn't care where the frame is positioned vertically,
|
|
// so long as it's fully visible
|
|
if (frameBounds.y < visibleRect.y) {
|
|
// Scroll up so the frame's top edge is visible
|
|
scrollOffsetY = frameBounds.y;
|
|
} else if (frameBounds.YMost() > visibleRect.YMost()) {
|
|
// Scroll down so the frame's bottom edge is visible. Make sure the
|
|
// frame's top edge is still visible
|
|
scrollOffsetY += frameBounds.YMost() - visibleRect.YMost();
|
|
if (scrollOffsetY > frameBounds.y) {
|
|
scrollOffsetY = frameBounds.y;
|
|
}
|
|
}
|
|
} else if (NS_PRESSHELL_SCROLL_IF_NOT_VISIBLE == aVPercent) {
|
|
// Scroll only if no part of the frame is visible in this view
|
|
if (frameBounds.YMost() < visibleRect.y) {
|
|
// Scroll up so the frame's top edge is visible
|
|
scrollOffsetY = frameBounds.y;
|
|
} else if (frameBounds.y > visibleRect.YMost()) {
|
|
// Scroll down so the frame's bottom edge is visible. Make sure the
|
|
// frame's top edge is still visible
|
|
scrollOffsetY += frameBounds.YMost() - visibleRect.YMost();
|
|
if (scrollOffsetY > frameBounds.y) {
|
|
scrollOffsetY = frameBounds.y;
|
|
}
|
|
}
|
|
} else {
|
|
// Align the frame edge according to the specified percentage
|
|
nscoord frameAlignY = frameBounds.y + (frameBounds.height * aVPercent) / 100;
|
|
scrollOffsetY = frameAlignY - (visibleRect.height * aVPercent) / 100;
|
|
}
|
|
|
|
// See how the frame should be positioned horizontally
|
|
if (NS_PRESSHELL_SCROLL_ANYWHERE == aHPercent) {
|
|
// The caller doesn't care where the frame is positioned horizontally,
|
|
// so long as it's fully visible
|
|
if (frameBounds.x < visibleRect.x) {
|
|
// Scroll left so the frame's left edge is visible
|
|
scrollOffsetX = frameBounds.x;
|
|
} else if (frameBounds.XMost() > visibleRect.XMost()) {
|
|
// Scroll right so the frame's right edge is visible. Make sure the
|
|
// frame's left edge is still visible
|
|
scrollOffsetX += frameBounds.XMost() - visibleRect.XMost();
|
|
if (scrollOffsetX > frameBounds.x) {
|
|
scrollOffsetX = frameBounds.x;
|
|
}
|
|
}
|
|
} else if (NS_PRESSHELL_SCROLL_IF_NOT_VISIBLE == aHPercent) {
|
|
// Scroll only if no part of the frame is visible in this view
|
|
if (frameBounds.XMost() < visibleRect.x) {
|
|
// Scroll left so the frame's left edge is visible
|
|
scrollOffsetX = frameBounds.x;
|
|
} else if (frameBounds.x > visibleRect.XMost()) {
|
|
// Scroll right so the frame's right edge is visible. Make sure the
|
|
// frame's left edge is still visible
|
|
scrollOffsetX += frameBounds.XMost() - visibleRect.XMost();
|
|
if (scrollOffsetX > frameBounds.x) {
|
|
scrollOffsetX = frameBounds.x;
|
|
}
|
|
}
|
|
} else {
|
|
// Align the frame edge according to the specified percentage
|
|
nscoord frameAlignX = frameBounds.x + (frameBounds.width * aHPercent) / 100;
|
|
scrollOffsetX = frameAlignX - (visibleRect.width * aHPercent) / 100;
|
|
}
|
|
if (scrollOffsetX != 0 || scrollOffsetY != 0) {
|
|
scrollingView->ScrollTo(scrollOffsetX, scrollOffsetY, NS_VMREFRESH_IMMEDIATE);
|
|
}
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::DoCopy()
|
|
{
|
|
nsCOMPtr<nsIDocument> doc;
|
|
GetDocument(getter_AddRefs(doc));
|
|
if (!doc) return NS_ERROR_FAILURE;
|
|
|
|
nsresult rv;
|
|
nsCOMPtr<nsISelection> sel;
|
|
nsCOMPtr<nsIEventStateManager> manager;
|
|
nsCOMPtr<nsIContent> content;
|
|
rv = mPresContext->GetEventStateManager(getter_AddRefs(manager));
|
|
if (NS_FAILED(rv) || !manager)
|
|
return rv?rv:NS_ERROR_FAILURE;
|
|
rv = manager->GetFocusedContent(getter_AddRefs(content));
|
|
if (NS_SUCCEEDED(rv) && content)
|
|
{
|
|
//check to see if we need to get selection from frame
|
|
//optimization that MAY need to be expanded as more things implement their own "selection"
|
|
nsCOMPtr<nsIDOMNSHTMLInputElement> htmlInputElement(do_QueryInterface(content));
|
|
nsCOMPtr<nsIDOMNSHTMLTextAreaElement> htmlTextAreaElement(do_QueryInterface(content));
|
|
if (htmlInputElement || htmlTextAreaElement)
|
|
{
|
|
nsIFrame *htmlInputFrame;
|
|
rv = GetPrimaryFrameFor(content, &htmlInputFrame);
|
|
if (NS_FAILED(rv) || !htmlInputFrame)
|
|
return rv?rv:NS_ERROR_FAILURE;
|
|
nsCOMPtr<nsISelectionController> selCon;
|
|
rv = htmlInputFrame->GetSelectionController(mPresContext,getter_AddRefs(selCon));
|
|
if (NS_FAILED(rv) || !selCon)
|
|
return rv?rv:NS_ERROR_FAILURE;
|
|
rv = selCon->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(sel));
|
|
}
|
|
}
|
|
if (!sel) //get selection from this PresShell
|
|
rv = GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(sel));
|
|
|
|
if (NS_FAILED(rv) || !sel)
|
|
return rv?rv:NS_ERROR_FAILURE;
|
|
|
|
// Now we have the selection. Make sure it's nonzero:
|
|
PRBool isCollapsed;
|
|
sel->GetIsCollapsed(&isCollapsed);
|
|
if (isCollapsed)
|
|
return NS_OK;
|
|
|
|
// call the copy code
|
|
rv = nsCopySupport::HTMLCopy(sel, doc, nsIClipboard::kGlobalClipboard);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
// Now that we have copied, update the Paste menu item
|
|
nsCOMPtr<nsIScriptGlobalObject> globalObject;
|
|
doc->GetScriptGlobalObject(getter_AddRefs(globalObject));
|
|
nsCOMPtr<nsIDOMWindowInternal> domWindow = do_QueryInterface(globalObject);
|
|
if (domWindow)
|
|
{
|
|
domWindow->UpdateCommands(NS_ConvertASCIItoUCS2("clipboard"));
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::CaptureHistoryState(nsILayoutHistoryState** aState, PRBool aLeavingPage)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
NS_PRECONDITION(nsnull != aState, "null state pointer");
|
|
|
|
if (!mHistoryState) {
|
|
// Create the document state object
|
|
rv = NS_NewLayoutHistoryState(aState); // This addrefs
|
|
|
|
if (NS_FAILED(rv)) {
|
|
*aState = nsnull;
|
|
return rv;
|
|
}
|
|
|
|
mHistoryState = *aState;
|
|
}
|
|
else {
|
|
*aState = mHistoryState;
|
|
NS_IF_ADDREF(mHistoryState);
|
|
}
|
|
|
|
// Capture frame state for the entire frame hierarchy
|
|
nsIFrame* rootFrame = nsnull;
|
|
rv = GetRootFrame(&rootFrame);
|
|
if (NS_FAILED(rv) || nsnull == rootFrame) return rv;
|
|
// Capture frame state for the root scroll frame
|
|
// Don't capture state when first creating doc element heirarchy
|
|
// As the scroll position is 0 and this will cause us to loose
|
|
// our previously saved place!
|
|
if (aLeavingPage) {
|
|
nsIFrame* scrollFrame = nsnull;
|
|
rv = GetRootScrollFrame(mPresContext, rootFrame, &scrollFrame);
|
|
if (scrollFrame) {
|
|
rv = mFrameManager->CaptureFrameStateFor(mPresContext, scrollFrame, mHistoryState, nsIStatefulFrame::eDocumentScrollState);
|
|
}
|
|
}
|
|
|
|
|
|
rv = mFrameManager->CaptureFrameState(mPresContext, rootFrame, mHistoryState);
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetHistoryState(nsILayoutHistoryState** aState)
|
|
{
|
|
NS_IF_ADDREF(mHistoryState);
|
|
*aState = mHistoryState;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::SetHistoryState(nsILayoutHistoryState* aLayoutHistoryState)
|
|
{
|
|
mHistoryState = aLayoutHistoryState;
|
|
return NS_OK;
|
|
}
|
|
|
|
static PRBool
|
|
IsGeneratedContentFrame(nsIFrame* aFrame)
|
|
{
|
|
nsFrameState frameState;
|
|
|
|
aFrame->GetFrameState(&frameState);
|
|
return (frameState & NS_FRAME_GENERATED_CONTENT) != 0;
|
|
}
|
|
|
|
static PRBool
|
|
IsPseudoFrame(nsIFrame* aFrame, nsIContent* aParentContent)
|
|
{
|
|
nsCOMPtr<nsIContent> content;
|
|
|
|
aFrame->GetContent(getter_AddRefs(content));
|
|
return content.get() == aParentContent;
|
|
}
|
|
|
|
static nsIFrame*
|
|
GetFirstChildFrame(nsIPresContext* aPresContext,
|
|
nsIFrame* aFrame,
|
|
nsIContent* aContent)
|
|
{
|
|
nsIFrame* childFrame;
|
|
|
|
// Get the first child frame
|
|
aFrame->FirstChild(aPresContext, nsnull, &childFrame);
|
|
|
|
// If the child frame is a pseudo-frame, then return its first child.
|
|
// Note that the frame we create for the generated content is also a
|
|
// pseudo-frame and so don't drill down in that case
|
|
if (childFrame && IsPseudoFrame(childFrame, aContent) &&
|
|
!IsGeneratedContentFrame(childFrame)) {
|
|
return GetFirstChildFrame(aPresContext, childFrame, aContent);
|
|
}
|
|
|
|
return childFrame;
|
|
}
|
|
|
|
static nsIFrame*
|
|
GetLastChildFrame(nsIPresContext* aPresContext,
|
|
nsIFrame* aFrame,
|
|
nsIContent* aContent)
|
|
{
|
|
NS_PRECONDITION(aFrame, "NULL frame pointer");
|
|
|
|
// Get the last in flow frame
|
|
nsIFrame* lastInFlow;
|
|
while (aFrame) {
|
|
lastInFlow = aFrame;
|
|
lastInFlow->GetNextInFlow(&aFrame);
|
|
}
|
|
|
|
// Get the last child frame
|
|
nsIFrame* firstChildFrame;
|
|
lastInFlow->FirstChild(aPresContext, nsnull, &firstChildFrame);
|
|
if (firstChildFrame) {
|
|
nsFrameList frameList(firstChildFrame);
|
|
nsIFrame* lastChildFrame = frameList.LastChild();
|
|
|
|
NS_ASSERTION(lastChildFrame, "unexpected error");
|
|
|
|
// Get the frame's first-in-flow. This matters in case the frame has
|
|
// been continuted across multiple lines
|
|
while (PR_TRUE) {
|
|
nsIFrame* prevInFlow;
|
|
lastChildFrame->GetPrevInFlow(&prevInFlow);
|
|
if (prevInFlow) {
|
|
lastChildFrame = prevInFlow;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
// If the last child frame is a pseudo-frame, then return its last child.
|
|
// Note that the frame we create for the generated content is also a
|
|
// pseudo-frame and so don't drill down in that case
|
|
if (lastChildFrame && IsPseudoFrame(lastChildFrame, aContent) &&
|
|
!IsGeneratedContentFrame(lastChildFrame)) {
|
|
return GetLastChildFrame(aPresContext, lastChildFrame, aContent);
|
|
}
|
|
|
|
return lastChildFrame;
|
|
}
|
|
|
|
return nsnull;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetGeneratedContentIterator(nsIContent* aContent,
|
|
GeneratedContentType aType,
|
|
nsIContentIterator** aIterator) const
|
|
{
|
|
nsIFrame* primaryFrame;
|
|
nsresult rv = NS_OK;
|
|
|
|
// Initialize OUT parameter
|
|
*aIterator = nsnull;
|
|
|
|
// Get the primary frame associated with the content object
|
|
GetPrimaryFrameFor(aContent, &primaryFrame);
|
|
if (primaryFrame) {
|
|
// See whether it's a request for the before or after generated content
|
|
if (Before == aType) {
|
|
// The most efficient thing to do is to get the first child frame,
|
|
// and see if it is associated with generated content
|
|
nsIFrame* firstChildFrame = GetFirstChildFrame(mPresContext, primaryFrame, aContent);
|
|
if (firstChildFrame && IsGeneratedContentFrame(firstChildFrame)) {
|
|
// Create an iterator
|
|
rv = NS_NewGeneratedContentIterator(mPresContext, firstChildFrame, aIterator);
|
|
}
|
|
|
|
} else {
|
|
// Avoid finding the last child frame unless we need to. Instead probe
|
|
// for the existence of the pseudo-element
|
|
nsCOMPtr<nsIStyleContext> styleContext;
|
|
nsCOMPtr<nsIStyleContext> pseudoStyleContext;
|
|
|
|
primaryFrame->GetStyleContext(getter_AddRefs(styleContext));
|
|
mPresContext->ProbePseudoStyleContextFor(aContent, nsCSSAtoms::afterPseudo,
|
|
styleContext, PR_FALSE,
|
|
getter_AddRefs(pseudoStyleContext));
|
|
if (pseudoStyleContext) {
|
|
nsIFrame* lastChildFrame = GetLastChildFrame(mPresContext, primaryFrame, aContent);
|
|
if (lastChildFrame)
|
|
{ // it is now legal for GetLastChildFrame to return null. see bug 52307 (a regression from bug 18754)
|
|
// in the case of a null child frame, we treat the frame as having no "after" style
|
|
// the "before" handler above already does this check
|
|
NS_ASSERTION(IsGeneratedContentFrame(lastChildFrame),
|
|
"can't find generated content frame");
|
|
// Create an iterator
|
|
rv = NS_NewGeneratedContentIterator(mPresContext, lastChildFrame, aIterator);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::SetAnonymousContentFor(nsIContent* aContent, nsISupportsArray* aAnonymousElements)
|
|
{
|
|
NS_PRECONDITION(aContent != nsnull, "null ptr");
|
|
if (! aContent)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
NS_PRECONDITION(aAnonymousElements != nsnull, "null ptr");
|
|
if (! aAnonymousElements)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
if (! mAnonymousContentTable) {
|
|
mAnonymousContentTable = new nsSupportsHashtable;
|
|
if (! mAnonymousContentTable)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
nsISupportsKey key(aContent);
|
|
|
|
nsCOMPtr<nsISupportsArray> oldAnonymousElements =
|
|
getter_AddRefs(NS_STATIC_CAST(nsISupportsArray*, mAnonymousContentTable->Get(&key)));
|
|
|
|
if (oldAnonymousElements) {
|
|
// If we're trying to set anonymous content for an element that
|
|
// already had anonymous content, then we need to be sure to clean
|
|
// up after the old content. (This can happen, for example, when a
|
|
// reframe occurs.)
|
|
PRUint32 count;
|
|
oldAnonymousElements->Count(&count);
|
|
|
|
while (PRInt32(--count) >= 0) {
|
|
nsCOMPtr<nsISupports> isupports( getter_AddRefs(oldAnonymousElements->ElementAt(count)) );
|
|
nsCOMPtr<nsIContent> content( do_QueryInterface(isupports) );
|
|
NS_ASSERTION(content != nsnull, "not an nsIContent");
|
|
if (! content)
|
|
continue;
|
|
|
|
content->SetDocument(nsnull, PR_TRUE, PR_TRUE);
|
|
}
|
|
}
|
|
|
|
mAnonymousContentTable->Put(&key, aAnonymousElements);
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetAnonymousContentFor(nsIContent* aContent, nsISupportsArray** aAnonymousElements)
|
|
{
|
|
if (! mAnonymousContentTable) {
|
|
*aAnonymousElements = nsnull;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsISupportsKey key(aContent);
|
|
*aAnonymousElements =
|
|
NS_REINTERPRET_CAST(nsISupportsArray*, mAnonymousContentTable->Get(&key)); // addrefs
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
static PRBool PR_CALLBACK
|
|
ClearDocumentEnumerator(nsHashKey* aKey, void* aData, void* aClosure)
|
|
{
|
|
nsISupportsArray* anonymousElements =
|
|
NS_STATIC_CAST(nsISupportsArray*, aData);
|
|
|
|
PRUint32 count;
|
|
anonymousElements->Count(&count);
|
|
while (PRInt32(--count) >= 0) {
|
|
nsCOMPtr<nsISupports> isupports( getter_AddRefs(anonymousElements->ElementAt(count)) );
|
|
nsCOMPtr<nsIContent> content( do_QueryInterface(isupports) );
|
|
NS_ASSERTION(content != nsnull, "not an nsIContent");
|
|
if (! content)
|
|
continue;
|
|
|
|
content->SetDocument(nsnull, PR_TRUE, PR_TRUE);
|
|
}
|
|
|
|
return PR_TRUE;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::ReleaseAnonymousContent()
|
|
{
|
|
if (mAnonymousContentTable) {
|
|
mAnonymousContentTable->Enumerate(ClearDocumentEnumerator);
|
|
delete mAnonymousContentTable;
|
|
mAnonymousContentTable = nsnull;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
// Post a request to handle an arbitrary callback after reflow has finished.
|
|
NS_IMETHODIMP
|
|
PresShell::PostReflowCallback(nsIReflowCallback* aCallback)
|
|
{
|
|
nsCallbackEventRequest* request = nsnull;
|
|
void* result = nsnull;
|
|
AllocateFrame(sizeof(nsCallbackEventRequest), &result);
|
|
request = (nsCallbackEventRequest*)result;
|
|
|
|
request->callback = aCallback;
|
|
NS_ADDREF(aCallback);
|
|
request->next = nsnull;
|
|
|
|
if (mLastCallbackEventRequest) {
|
|
mLastCallbackEventRequest = mLastCallbackEventRequest->next = request;
|
|
} else {
|
|
mFirstCallbackEventRequest = request;
|
|
mLastCallbackEventRequest = request;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::CancelReflowCallback(nsIReflowCallback* aCallback)
|
|
{
|
|
nsCallbackEventRequest* before = nsnull;
|
|
nsCallbackEventRequest* node = mFirstCallbackEventRequest;
|
|
while(node)
|
|
{
|
|
nsIReflowCallback* callback = node->callback;
|
|
|
|
if (callback == aCallback)
|
|
{
|
|
nsCallbackEventRequest* toFree = node;
|
|
if (node == mFirstCallbackEventRequest) {
|
|
mFirstCallbackEventRequest = node->next;
|
|
node = mFirstCallbackEventRequest;
|
|
before = nsnull;
|
|
} else {
|
|
node = node->next;
|
|
before->next = node;
|
|
}
|
|
|
|
FreeFrame(sizeof(nsCallbackEventRequest), toFree);
|
|
NS_RELEASE(callback);
|
|
} else {
|
|
before = node;
|
|
node = node->next;
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
/**
|
|
* Post a request to handle a DOM event after Reflow has finished.
|
|
* The event must have been created with the "new" operator.
|
|
*/
|
|
NS_IMETHODIMP
|
|
PresShell::PostDOMEvent(nsIContent* aContent, nsEvent* aEvent)
|
|
{
|
|
// ok we have a list of events to handle. Queue them up and handle them
|
|
// after we finish reflow.
|
|
nsDOMEventRequest* request = nsnull;
|
|
void* result = nsnull;
|
|
AllocateFrame(sizeof(nsDOMEventRequest), &result);
|
|
request = (nsDOMEventRequest*)result;
|
|
|
|
request->content = aContent;
|
|
NS_ADDREF(aContent);
|
|
|
|
request->event = aEvent;
|
|
request->next = nsnull;
|
|
|
|
if (mLastDOMEventRequest) {
|
|
mLastDOMEventRequest = mLastDOMEventRequest->next = request;
|
|
} else {
|
|
mFirstDOMEventRequest = request;
|
|
mLastDOMEventRequest = request;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/**
|
|
* Post a request to set and attribute after reflow has finished.
|
|
*/
|
|
NS_IMETHODIMP
|
|
PresShell::PostAttributeChange(nsIContent* aContent,
|
|
PRInt32 aNameSpaceID,
|
|
nsIAtom* aName,
|
|
const nsString& aValue,
|
|
PRBool aNotify,
|
|
nsAttributeChangeType aType)
|
|
{
|
|
// ok we have a list of events to handle. Queue them up and handle them
|
|
// after we finish reflow.
|
|
nsAttributeChangeRequest* request = nsnull;
|
|
|
|
void* result = nsnull;
|
|
AllocateFrame(sizeof(nsAttributeChangeRequest), &result);
|
|
request = (nsAttributeChangeRequest*)result;
|
|
|
|
request->content = aContent;
|
|
NS_ADDREF(aContent);
|
|
|
|
request->nameSpaceID = aNameSpaceID;
|
|
request->name = aName;
|
|
request->value = aValue;
|
|
request->notify = aNotify;
|
|
request->type = aType;
|
|
request->next = nsnull;
|
|
|
|
if (mLastAttributeRequest) {
|
|
mLastAttributeRequest = mLastAttributeRequest->next = request;
|
|
} else {
|
|
mFirstAttributeRequest = request;
|
|
mLastAttributeRequest = request;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
void
|
|
PresShell::HandlePostedReflowCallbacks()
|
|
{
|
|
PRBool shouldFlush = PR_FALSE;
|
|
nsCallbackEventRequest* node = mFirstCallbackEventRequest;
|
|
while(node)
|
|
{
|
|
nsIReflowCallback* callback = node->callback;
|
|
nsCallbackEventRequest* toFree = node;
|
|
node = node->next;
|
|
mFirstCallbackEventRequest = node;
|
|
FreeFrame(sizeof(nsCallbackEventRequest), toFree);
|
|
callback->ReflowFinished(this, &shouldFlush);
|
|
NS_RELEASE(callback);
|
|
}
|
|
|
|
mFirstCallbackEventRequest = mLastCallbackEventRequest = nsnull;
|
|
|
|
if (shouldFlush)
|
|
FlushPendingNotifications();
|
|
}
|
|
|
|
void
|
|
PresShell::HandlePostedDOMEvents()
|
|
{
|
|
while(mFirstDOMEventRequest)
|
|
{
|
|
/* pull the node from the event request list. Be prepared for reentrant access to the list
|
|
from within HandleDOMEvent and its callees! */
|
|
nsDOMEventRequest* node = mFirstDOMEventRequest;
|
|
nsEventStatus status = nsEventStatus_eIgnore;
|
|
|
|
mFirstDOMEventRequest = node->next;
|
|
if (nsnull == mFirstDOMEventRequest) {
|
|
mLastDOMEventRequest = nsnull;
|
|
}
|
|
|
|
node->content->HandleDOMEvent(mPresContext, node->event, nsnull, NS_EVENT_FLAG_INIT, &status);
|
|
NS_RELEASE(node->content);
|
|
delete node->event;
|
|
node->nsDOMEventRequest::~nsDOMEventRequest(); // doesn't do anything, but just in case
|
|
FreeFrame(sizeof(nsDOMEventRequest), node);
|
|
}
|
|
}
|
|
|
|
void
|
|
PresShell::HandlePostedAttributeChanges()
|
|
{
|
|
while(mFirstAttributeRequest)
|
|
{
|
|
/* pull the node from the request list. Be prepared for reentrant access to the list
|
|
from within SetAttribute/UnsetAttribute and its callees! */
|
|
nsAttributeChangeRequest* node = mFirstAttributeRequest;
|
|
|
|
mFirstAttributeRequest = node->next;
|
|
if (nsnull == mFirstAttributeRequest) {
|
|
mLastAttributeRequest = nsnull;
|
|
}
|
|
|
|
if (node->type == eChangeType_Set)
|
|
node->content->SetAttribute(node->nameSpaceID, node->name, node->value, node->notify);
|
|
else
|
|
node->content->UnsetAttribute(node->nameSpaceID, node->name, node->notify);
|
|
|
|
NS_RELEASE(node->content);
|
|
node->nsAttributeChangeRequest::~nsAttributeChangeRequest();
|
|
FreeFrame(sizeof(nsAttributeChangeRequest), node);
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::IsSafeToFlush(PRBool& aIsSafeToFlush)
|
|
{
|
|
aIsSafeToFlush = PR_TRUE;
|
|
|
|
if (mIsReflowing) {
|
|
// Not safe if we are reflowing
|
|
aIsSafeToFlush = PR_FALSE;
|
|
} else {
|
|
// Not safe if we are painting
|
|
nsCOMPtr<nsIViewManager> viewManager;
|
|
nsresult rv = GetViewManager(getter_AddRefs(viewManager));
|
|
if (NS_SUCCEEDED(rv) && (nsnull != viewManager)) {
|
|
PRBool isPainting = PR_FALSE;
|
|
viewManager->IsPainting(isPainting);
|
|
if (isPainting) {
|
|
aIsSafeToFlush = PR_FALSE;
|
|
}
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::FlushPendingNotifications()
|
|
{
|
|
PRBool isSafeToFlush;
|
|
IsSafeToFlush(isSafeToFlush);
|
|
|
|
if (isSafeToFlush) {
|
|
ProcessReflowCommands(PR_FALSE);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::IsReflowLocked(PRBool* aIsReflowLocked)
|
|
{
|
|
*aIsReflowLocked = mIsReflowing;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::BeginReflowBatching()
|
|
{
|
|
mBatchReflows = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::EndReflowBatching(PRBool aFlushPendingReflows)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
mBatchReflows = PR_FALSE;
|
|
if (aFlushPendingReflows) {
|
|
rv = FlushPendingNotifications();
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetReflowBatchingStatus(PRBool* aIsBatching)
|
|
{
|
|
*aIsBatching = mBatchReflows;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::ContentChanged(nsIDocument *aDocument,
|
|
nsIContent* aContent,
|
|
nsISupports* aSubContent)
|
|
{
|
|
WillCauseReflow();
|
|
nsresult rv = mStyleSet->ContentChanged(mPresContext, aContent, aSubContent);
|
|
VERIFY_STYLE_TREE;
|
|
DidCauseReflow();
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::ContentStatesChanged(nsIDocument* aDocument,
|
|
nsIContent* aContent1,
|
|
nsIContent* aContent2)
|
|
{
|
|
WillCauseReflow();
|
|
nsresult rv = mStyleSet->ContentStatesChanged(mPresContext, aContent1, aContent2);
|
|
VERIFY_STYLE_TREE;
|
|
DidCauseReflow();
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::AttributeChanged(nsIDocument *aDocument,
|
|
nsIContent* aContent,
|
|
PRInt32 aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
PRInt32 aHint)
|
|
{
|
|
WillCauseReflow();
|
|
nsresult rv = mStyleSet->AttributeChanged(mPresContext, aContent, aNameSpaceID, aAttribute, aHint);
|
|
VERIFY_STYLE_TREE;
|
|
DidCauseReflow();
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::ContentAppended(nsIDocument *aDocument,
|
|
nsIContent* aContainer,
|
|
PRInt32 aNewIndexInContainer)
|
|
{
|
|
WillCauseReflow();
|
|
MOZ_TIMER_DEBUGLOG(("Start: Frame Creation: PresShell::ContentAppended(), this=%p\n", this));
|
|
MOZ_TIMER_START(mFrameCreationWatch);
|
|
CtlStyleWatch(kStyleWatchEnable,mStyleSet);
|
|
nsresult rv = mStyleSet->ContentAppended(mPresContext, aContainer, aNewIndexInContainer);
|
|
VERIFY_STYLE_TREE;
|
|
|
|
if (NS_SUCCEEDED(rv) && nsnull != mHistoryState) {
|
|
// If history state has been set by session history, ask the frame manager
|
|
// to restore frame state for the frame hierarchy created for the chunk of
|
|
// content that just came in.
|
|
// That is the frames with numbers after aNewIndexInContainer.
|
|
PRInt32 count = 0;
|
|
aContainer->ChildCount(count);
|
|
|
|
PRInt32 i;
|
|
nsCOMPtr<nsIContent> newChild;
|
|
for (i = aNewIndexInContainer; i < count; ++i) {
|
|
aContainer->ChildAt(i, *getter_AddRefs(newChild));
|
|
if (!newChild) {
|
|
// We should never get here.
|
|
NS_ERROR("Got a null child when restoring state!");
|
|
continue;
|
|
}
|
|
nsIFrame* frame;
|
|
rv = GetPrimaryFrameFor(newChild, &frame);
|
|
if (NS_SUCCEEDED(rv) && nsnull != frame)
|
|
mFrameManager->RestoreFrameState(mPresContext, frame, mHistoryState);
|
|
}
|
|
}
|
|
|
|
MOZ_TIMER_DEBUGLOG(("Stop: Frame Creation: PresShell::ContentAppended(), this=%p\n", this));
|
|
MOZ_TIMER_STOP(mFrameCreationWatch);
|
|
CtlStyleWatch(kStyleWatchDisable,mStyleSet);
|
|
DidCauseReflow();
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::ContentInserted(nsIDocument* aDocument,
|
|
nsIContent* aContainer,
|
|
nsIContent* aChild,
|
|
PRInt32 aIndexInContainer)
|
|
{
|
|
WillCauseReflow();
|
|
nsresult rv = mStyleSet->ContentInserted(mPresContext, aContainer, aChild, aIndexInContainer);
|
|
VERIFY_STYLE_TREE;
|
|
DidCauseReflow();
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::ContentReplaced(nsIDocument* aDocument,
|
|
nsIContent* aContainer,
|
|
nsIContent* aOldChild,
|
|
nsIContent* aNewChild,
|
|
PRInt32 aIndexInContainer)
|
|
{
|
|
WillCauseReflow();
|
|
nsresult rv = mStyleSet->ContentReplaced(mPresContext, aContainer, aOldChild,
|
|
aNewChild, aIndexInContainer);
|
|
VERIFY_STYLE_TREE;
|
|
DidCauseReflow();
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::ContentRemoved(nsIDocument *aDocument,
|
|
nsIContent* aContainer,
|
|
nsIContent* aChild,
|
|
PRInt32 aIndexInContainer)
|
|
{
|
|
WillCauseReflow();
|
|
nsresult rv = mStyleSet->ContentRemoved(mPresContext, aContainer,
|
|
aChild, aIndexInContainer);
|
|
VERIFY_STYLE_TREE;
|
|
DidCauseReflow();
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
PresShell::ReconstructFrames(void)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
WillCauseReflow();
|
|
rv = mStyleSet->ReconstructDocElementHierarchy(mPresContext);
|
|
VERIFY_STYLE_TREE;
|
|
DidCauseReflow();
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::StyleSheetAdded(nsIDocument *aDocument,
|
|
nsIStyleSheet* aStyleSheet)
|
|
{
|
|
return ReconstructFrames();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::StyleSheetRemoved(nsIDocument *aDocument,
|
|
nsIStyleSheet* aStyleSheet)
|
|
{
|
|
return ReconstructFrames();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::StyleSheetDisabledStateChanged(nsIDocument *aDocument,
|
|
nsIStyleSheet* aStyleSheet,
|
|
PRBool aDisabled)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
// first notify the style set that a sheet's state has changed
|
|
if (mStyleSet) {
|
|
rv = mStyleSet->NotifyStyleSheetStateChanged(aDisabled ? PR_FALSE : PR_TRUE);
|
|
}
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
// rebuild the frame-world
|
|
return ReconstructFrames();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::StyleRuleChanged(nsIDocument *aDocument,
|
|
nsIStyleSheet* aStyleSheet,
|
|
nsIStyleRule* aStyleRule,
|
|
PRInt32 aHint)
|
|
{
|
|
WillCauseReflow();
|
|
nsresult rv = mStyleSet->StyleRuleChanged(mPresContext, aStyleSheet,
|
|
aStyleRule, aHint);
|
|
VERIFY_STYLE_TREE;
|
|
DidCauseReflow();
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::StyleRuleAdded(nsIDocument *aDocument,
|
|
nsIStyleSheet* aStyleSheet,
|
|
nsIStyleRule* aStyleRule)
|
|
{
|
|
WillCauseReflow();
|
|
nsresult rv = mStyleSet->StyleRuleAdded(mPresContext, aStyleSheet,
|
|
aStyleRule);
|
|
VERIFY_STYLE_TREE;
|
|
DidCauseReflow();
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
// XXX For now reconstruct everything
|
|
return ReconstructFrames();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::StyleRuleRemoved(nsIDocument *aDocument,
|
|
nsIStyleSheet* aStyleSheet,
|
|
nsIStyleRule* aStyleRule)
|
|
{
|
|
WillCauseReflow();
|
|
nsresult rv = mStyleSet->StyleRuleRemoved(mPresContext, aStyleSheet,
|
|
aStyleRule);
|
|
VERIFY_STYLE_TREE;
|
|
DidCauseReflow();
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
// XXX For now reconstruct everything
|
|
return ReconstructFrames();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::DocumentWillBeDestroyed(nsIDocument *aDocument)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetPrimaryFrameFor(nsIContent* aContent,
|
|
nsIFrame** aResult) const
|
|
{
|
|
nsresult rv;
|
|
|
|
if (mFrameManager) {
|
|
rv = mFrameManager->GetPrimaryFrameFor(aContent, aResult);
|
|
|
|
} else {
|
|
*aResult = nsnull;
|
|
rv = NS_OK;
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetStyleContextFor(nsIFrame* aFrame,
|
|
nsIStyleContext** aStyleContext) const
|
|
{
|
|
if (!aFrame || !aStyleContext) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
return (aFrame->GetStyleContext(aStyleContext));
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetLayoutObjectFor(nsIContent* aContent,
|
|
nsISupports** aResult) const
|
|
{
|
|
nsresult result = NS_ERROR_NULL_POINTER;
|
|
if ((nsnull!=aResult) && (nsnull!=aContent))
|
|
{
|
|
*aResult = nsnull;
|
|
nsIFrame *primaryFrame=nsnull;
|
|
result = GetPrimaryFrameFor(aContent, &primaryFrame);
|
|
if ((NS_SUCCEEDED(result)) && (nsnull!=primaryFrame))
|
|
{
|
|
result = primaryFrame->QueryInterface(NS_GET_IID(nsISupports),
|
|
(void**)aResult);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetSubShellFor(nsIContent* aContent,
|
|
nsISupports** aResult) const
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aContent);
|
|
NS_ENSURE_ARG_POINTER(aResult);
|
|
*aResult = nsnull;
|
|
|
|
if (mSubShellMap) {
|
|
mSubShellMap->Search(aContent, 0, (void**)aResult);
|
|
if (*aResult) {
|
|
NS_ADDREF(*aResult);
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::SetSubShellFor(nsIContent* aContent,
|
|
nsISupports* aSubShell)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aContent);
|
|
|
|
// If aSubShell is NULL, then remove the mapping
|
|
if (!aSubShell) {
|
|
if (mSubShellMap) {
|
|
mSubShellMap->Remove(aContent);
|
|
}
|
|
} else {
|
|
// Create a new DST if necessary
|
|
if (!mSubShellMap) {
|
|
if (!mDSTNodeArena) {
|
|
mDSTNodeArena = nsDST::NewMemoryArena();
|
|
if (!mDSTNodeArena) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
mSubShellMap = new nsDST(mDSTNodeArena);
|
|
if (!mSubShellMap) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
|
|
// Add a mapping to the hash table
|
|
mSubShellMap->Insert(aContent, (void*)aSubShell, nsnull);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetPlaceholderFrameFor(nsIFrame* aFrame,
|
|
nsIFrame** aResult) const
|
|
{
|
|
nsresult rv;
|
|
|
|
if (mFrameManager) {
|
|
rv = mFrameManager->GetPlaceholderFrameFor(aFrame, aResult);
|
|
|
|
} else {
|
|
*aResult = nsnull;
|
|
rv = NS_OK;
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
#ifdef IBMBIDI
|
|
NS_IMETHODIMP
|
|
PresShell::SetCursorBidiLevel(PRUint8 aLevel)
|
|
{
|
|
// If the current level is undefined, we have just inserted new text.
|
|
// In this case, we don't want to reset the keyboard language
|
|
PRBool afterInsert = mBidiLevel & BIDI_LEVEL_UNDEFINED;
|
|
mBidiLevel = aLevel;
|
|
|
|
// PRBool parityChange = ((mBidiLevel ^ aLevel) & 1); // is the parity of the new level different from the current level?
|
|
// if (parityChange) // if so, change the keyboard language
|
|
if (mBidiKeyboard && !afterInsert)
|
|
mBidiKeyboard->SetLangFromBidiLevel(aLevel);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetCursorBidiLevel(PRUint8 *aOutLevel)
|
|
{
|
|
if (!aOutLevel) { return NS_ERROR_INVALID_ARG; }
|
|
*aOutLevel = mBidiLevel;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::UndefineCursorBidiLevel()
|
|
{
|
|
mBidiLevel |= BIDI_LEVEL_UNDEFINED;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::BidiStyleChangeReflow()
|
|
{
|
|
// Have the root frame's style context remap its style
|
|
nsIFrame* rootFrame;
|
|
mFrameManager->GetRootFrame(&rootFrame);
|
|
|
|
if (rootFrame) {
|
|
nsIStyleContext* rootStyleContext;
|
|
rootFrame->GetStyleContext(&rootStyleContext);
|
|
rootStyleContext->RemapStyle(mPresContext.get() );
|
|
NS_RELEASE(rootStyleContext);
|
|
|
|
ReconstructFrames();
|
|
}
|
|
return NS_OK;
|
|
}
|
|
#endif // IBMBIDI
|
|
|
|
//nsIViewObserver
|
|
|
|
// If the element is absolutely positioned and has a specified clip rect
|
|
// then it pushes the current rendering context and sets the clip rect.
|
|
// Returns PR_TRUE if the clip rect is set and PR_FALSE otherwise
|
|
static PRBool
|
|
SetClipRect(nsIRenderingContext& aRenderingContext, nsIFrame* aFrame)
|
|
{
|
|
PRBool clipState;
|
|
const nsStyleDisplay* display;
|
|
aFrame->GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&) display);
|
|
const nsStylePosition* position;
|
|
aFrame->GetStyleData(eStyleStruct_Position, (const nsStyleStruct*&) position);
|
|
|
|
// 'clip' only applies to absolutely positioned elements, and is
|
|
// relative to the element's border edge. 'clip' applies to the entire
|
|
// element: border, padding, and content areas, and even scrollbars if
|
|
// there are any.
|
|
if (position->IsAbsolutelyPositioned() && (display->mClipFlags & NS_STYLE_CLIP_RECT)) {
|
|
nsSize size;
|
|
|
|
// Start with the 'auto' values and then factor in user specified values
|
|
aFrame->GetSize(size);
|
|
nsRect clipRect(0, 0, size.width, size.height);
|
|
|
|
if (display->mClipFlags & NS_STYLE_CLIP_RECT) {
|
|
if (0 == (NS_STYLE_CLIP_TOP_AUTO & display->mClipFlags)) {
|
|
clipRect.y = display->mClip.y;
|
|
}
|
|
if (0 == (NS_STYLE_CLIP_LEFT_AUTO & display->mClipFlags)) {
|
|
clipRect.x = display->mClip.x;
|
|
}
|
|
if (0 == (NS_STYLE_CLIP_RIGHT_AUTO & display->mClipFlags)) {
|
|
clipRect.width = display->mClip.width;
|
|
}
|
|
if (0 == (NS_STYLE_CLIP_BOTTOM_AUTO & display->mClipFlags)) {
|
|
clipRect.height = display->mClip.height;
|
|
}
|
|
}
|
|
|
|
// Set updated clip-rect into the rendering context
|
|
aRenderingContext.PushState();
|
|
aRenderingContext.SetClipRect(clipRect, nsClipCombine_kIntersect, clipState);
|
|
return PR_TRUE;
|
|
}
|
|
|
|
return PR_FALSE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::Paint(nsIView *aView,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect)
|
|
{
|
|
void* clientData;
|
|
nsIFrame* frame;
|
|
nsresult rv = NS_OK;
|
|
|
|
NS_ASSERTION(!(nsnull == aView), "null view");
|
|
|
|
aView->GetClientData(clientData);
|
|
frame = (nsIFrame *)clientData;
|
|
|
|
if (nsnull != frame)
|
|
{
|
|
mCaret->EraseCaret();
|
|
//StCaretHider caretHider(mCaret); // stack-based class hides caret until dtor.
|
|
|
|
// If the frame is absolutely positioned, then the 'clip' property
|
|
// applies
|
|
PRBool setClipRect = SetClipRect(aRenderingContext, frame);
|
|
|
|
rv = frame->Paint(mPresContext, aRenderingContext, aDirtyRect,
|
|
NS_FRAME_PAINT_LAYER_BACKGROUND);
|
|
rv = frame->Paint(mPresContext, aRenderingContext, aDirtyRect,
|
|
NS_FRAME_PAINT_LAYER_FLOATERS);
|
|
rv = frame->Paint(mPresContext, aRenderingContext, aDirtyRect,
|
|
NS_FRAME_PAINT_LAYER_FOREGROUND);
|
|
|
|
if (setClipRect) {
|
|
PRBool clipState;
|
|
aRenderingContext.PopState(clipState);
|
|
}
|
|
|
|
#ifdef NS_DEBUG
|
|
// Draw a border around the frame
|
|
if (nsIFrameDebug::GetShowFrameBorders()) {
|
|
nsRect r;
|
|
frame->GetRect(r);
|
|
aRenderingContext.SetColor(NS_RGB(0,0,255));
|
|
aRenderingContext.DrawRect(0, 0, r.width, r.height);
|
|
}
|
|
// Draw a border around the current event target
|
|
if ((nsIFrameDebug::GetShowEventTargetFrameBorder()) && (aView == mCurrentTargetView)) {
|
|
aRenderingContext.SetColor(NS_RGB(128,0,128));
|
|
aRenderingContext.DrawRect(mCurrentTargetRect.x, mCurrentTargetRect.y, mCurrentTargetRect.width, mCurrentTargetRect.height);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
nsIFrame*
|
|
PresShell::GetCurrentEventFrame()
|
|
{
|
|
if (!mCurrentEventFrame && mCurrentEventContent) {
|
|
// Make sure the content still has a document reference. If not,
|
|
// then we assume it is no longer in the content tree and the
|
|
// frame shouldn't get an event, nor should we even assume its
|
|
// safe to try and find the frame.
|
|
nsCOMPtr<nsIDocument> doc;
|
|
nsresult result = mCurrentEventContent->GetDocument(*getter_AddRefs(doc));
|
|
if (NS_SUCCEEDED(result) && doc) {
|
|
GetPrimaryFrameFor(mCurrentEventContent, &mCurrentEventFrame);
|
|
}
|
|
}
|
|
|
|
return mCurrentEventFrame;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::GetEventTargetFrame(nsIFrame** aFrame)
|
|
{
|
|
*aFrame = GetCurrentEventFrame();
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
PresShell::PushCurrentEventInfo(nsIFrame* aFrame, nsIContent* aContent)
|
|
{
|
|
if (mCurrentEventFrame || mCurrentEventContent) {
|
|
mCurrentEventFrameStack.InsertElementAt((void*)mCurrentEventFrame, 0);
|
|
mCurrentEventContentStack.InsertElementAt((void*)mCurrentEventContent, 0);
|
|
}
|
|
mCurrentEventFrame = aFrame;
|
|
mCurrentEventContent = aContent;
|
|
NS_IF_ADDREF(aContent);
|
|
}
|
|
|
|
void
|
|
PresShell::PopCurrentEventInfo()
|
|
{
|
|
mCurrentEventFrame = nsnull;
|
|
NS_IF_RELEASE(mCurrentEventContent);
|
|
|
|
if (0 != mCurrentEventFrameStack.Count()) {
|
|
mCurrentEventFrame = (nsIFrame*)mCurrentEventFrameStack.ElementAt(0);
|
|
mCurrentEventFrameStack.RemoveElementAt(0);
|
|
mCurrentEventContent = (nsIContent*)mCurrentEventContentStack.ElementAt(0);
|
|
mCurrentEventContentStack.RemoveElementAt(0);
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::HandleEvent(nsIView *aView,
|
|
nsGUIEvent* aEvent,
|
|
nsEventStatus* aEventStatus,
|
|
PRBool aForceHandle,
|
|
PRBool& aHandled)
|
|
{
|
|
void* clientData;
|
|
nsIFrame* frame;
|
|
nsresult rv = NS_OK;
|
|
|
|
NS_ASSERTION(!(nsnull == aView), "null view");
|
|
|
|
aHandled = PR_TRUE;
|
|
|
|
if (mIsDestroying || mIsReflowing) {
|
|
return NS_OK;
|
|
}
|
|
|
|
if (aEvent->eventStructType == NS_ACCESSIBLE_EVENT)
|
|
return HandleEventInternal(aEvent, aView, NS_EVENT_FLAG_INIT, aEventStatus);
|
|
|
|
|
|
aView->GetClientData(clientData);
|
|
frame = (nsIFrame *)clientData;
|
|
|
|
/* if (mSelection && aEvent->eventStructType == NS_KEY_EVENT)
|
|
{//KEY HANDLERS WILL GET RID OF THIS
|
|
if (mDisplayNonTextSelection && NS_SUCCEEDED(mSelection->HandleKeyEvent(mPresContext, aEvent)))
|
|
{
|
|
return NS_OK;
|
|
}
|
|
}
|
|
*/
|
|
if (nsnull != frame) {
|
|
PushCurrentEventInfo(nsnull, nsnull);
|
|
|
|
nsIEventStateManager *manager;
|
|
if (NS_OK == mPresContext->GetEventStateManager(&manager)) {
|
|
//change 6-01-00 mjudge,ftang adding ime as an event that needs focused element
|
|
if (NS_IS_KEY_EVENT(aEvent) || NS_IS_IME_EVENT(aEvent)) {
|
|
//Key events go to the focused frame, not point based.
|
|
manager->GetFocusedContent(&mCurrentEventContent);
|
|
if (mCurrentEventContent)
|
|
GetPrimaryFrameFor(mCurrentEventContent, &mCurrentEventFrame);
|
|
else {
|
|
// XXX This is the way key events seem to work? Why?????
|
|
// They spend time doing calls to GetFrameForPoint with the
|
|
// point as (0,0) (or sometimes something else).
|
|
|
|
// XXX If this code is really going to stay, it should
|
|
// probably go into a separate function, because its just
|
|
// a duplicate of the code a few lines below:
|
|
|
|
// This is because we want to give the point in the same
|
|
// coordinates as the frame's own Rect, so mRect.Contains(aPoint)
|
|
// works. However, this point is relative to the frame's rect, so
|
|
// we need to add on the origin of the rect.
|
|
/* nsPoint eventPoint;
|
|
frame->GetOrigin(eventPoint);
|
|
eventPoint += aEvent->point;
|
|
rv = frame->GetFrameForPoint(mPresContext, eventPoint, NS_FRAME_PAINT_LAYER_FOREGROUND, &mCurrentEventFrame);
|
|
if (rv != NS_OK) {
|
|
rv = frame->GetFrameForPoint(mPresContext, eventPoint, NS_FRAME_PAINT_LAYER_FLOATERS, &mCurrentEventFrame);
|
|
if (rv != NS_OK) {
|
|
rv = frame->GetFrameForPoint(mPresContext, eventPoint, NS_FRAME_PAINT_LAYER_BACKGROUND, &mCurrentEventFrame);
|
|
if (rv != NS_OK) {
|
|
#ifdef XP_MAC*/
|
|
// On the Mac it is possible to be running with no windows open, only the native menu bar.
|
|
// In this situation, we need to handle key board events but there are no frames, so
|
|
// we set mCurrentEventContent and that works itself out in HandleEventInternal.
|
|
mCurrentEventContent = mDocument->GetRootContent();
|
|
mCurrentEventFrame = nsnull;
|
|
/*#else
|
|
if (aForceHandle) {
|
|
mCurrentEventFrame = frame;
|
|
}
|
|
else {
|
|
mCurrentEventFrame = nsnull;
|
|
}
|
|
aHandled = PR_FALSE;
|
|
#endif
|
|
rv = NS_OK;
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
}
|
|
}
|
|
else {
|
|
// This is because we want to give the point in the same
|
|
// coordinates as the frame's own Rect, so mRect.Contains(aPoint)
|
|
// works. However, this point is relative to the frame's rect, so
|
|
// we need to add on the origin of the rect.
|
|
nsPoint eventPoint;
|
|
frame->GetOrigin(eventPoint);
|
|
eventPoint += aEvent->point;
|
|
rv = frame->GetFrameForPoint(mPresContext, eventPoint, NS_FRAME_PAINT_LAYER_FOREGROUND, &mCurrentEventFrame);
|
|
if (rv != NS_OK) {
|
|
rv = frame->GetFrameForPoint(mPresContext, eventPoint, NS_FRAME_PAINT_LAYER_FLOATERS, &mCurrentEventFrame);
|
|
if (rv != NS_OK) {
|
|
rv = frame->GetFrameForPoint(mPresContext, eventPoint, NS_FRAME_PAINT_LAYER_BACKGROUND, &mCurrentEventFrame);
|
|
if (rv != NS_OK) {
|
|
if (aForceHandle) {
|
|
mCurrentEventFrame = frame;
|
|
}
|
|
else {
|
|
mCurrentEventFrame = nsnull;
|
|
}
|
|
aHandled = PR_FALSE;
|
|
rv = NS_OK;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (GetCurrentEventFrame()) {
|
|
rv = HandleEventInternal(aEvent, aView, NS_EVENT_FLAG_INIT, aEventStatus);
|
|
}
|
|
NS_RELEASE(manager);
|
|
}
|
|
#ifdef NS_DEBUG
|
|
if ((nsIFrameDebug::GetShowEventTargetFrameBorder()) && (GetCurrentEventFrame())) {
|
|
nsIView *oldView = mCurrentTargetView;
|
|
nsPoint offset(0,0);
|
|
nsRect oldTargetRect(mCurrentTargetRect);
|
|
mCurrentEventFrame->GetRect(mCurrentTargetRect);
|
|
mCurrentEventFrame->GetView(mPresContext, &mCurrentTargetView);
|
|
if ( ! mCurrentTargetView ) {
|
|
mCurrentEventFrame->GetOffsetFromView(mPresContext, offset, &mCurrentTargetView);
|
|
}
|
|
if (mCurrentTargetView) {
|
|
mCurrentTargetRect.x = offset.x;
|
|
mCurrentTargetRect.y = offset.y;
|
|
// use aView or mCurrentTargetView??
|
|
if ( (mCurrentTargetRect != oldTargetRect) || (mCurrentTargetView != oldView)) {
|
|
nsIViewManager *vm;
|
|
if ((NS_OK == GetViewManager(&vm)) && vm) {
|
|
vm->UpdateView(mCurrentTargetView,mCurrentTargetRect,0);
|
|
if (oldView)
|
|
vm->UpdateView(oldView,oldTargetRect,0);
|
|
NS_IF_RELEASE(vm);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
PopCurrentEventInfo();
|
|
}
|
|
else {
|
|
aHandled = PR_FALSE;
|
|
rv = NS_OK;
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::HandleEventWithTarget(nsEvent* aEvent, nsIFrame* aFrame, nsIContent* aContent, PRUint32 aFlags, nsEventStatus* aStatus)
|
|
{
|
|
nsresult ret;
|
|
|
|
PushCurrentEventInfo(aFrame, aContent);
|
|
ret = HandleEventInternal(aEvent, nsnull, aFlags, aStatus);
|
|
PopCurrentEventInfo();
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
PresShell::HandleEventInternal(nsEvent* aEvent, nsIView *aView, PRUint32 aFlags, nsEventStatus* aStatus)
|
|
{
|
|
if (aEvent->eventStructType == NS_ACCESSIBLE_EVENT)
|
|
{
|
|
void* clientData;
|
|
aView->GetClientData(clientData);
|
|
nsIFrame* frame = (nsIFrame *)clientData;
|
|
return frame->HandleEvent(mPresContext, (nsGUIEvent*)aEvent, aStatus);
|
|
}
|
|
|
|
nsresult rv = NS_OK;
|
|
|
|
nsIEventStateManager *manager;
|
|
if (NS_OK == mPresContext->GetEventStateManager(&manager) && GetCurrentEventFrame()) {
|
|
//1. Give event to event manager for pre event state changes and generation of synthetic events.
|
|
rv = manager->PreHandleEvent(mPresContext, aEvent, mCurrentEventFrame, aStatus, aView);
|
|
|
|
//2. Give event to the DOM for third party and JS use.
|
|
if ((GetCurrentEventFrame()) && NS_OK == rv) {
|
|
if (mCurrentEventContent) {
|
|
rv = mCurrentEventContent->HandleDOMEvent(mPresContext, aEvent, nsnull,
|
|
aFlags, aStatus);
|
|
}
|
|
else {
|
|
nsIContent* targetContent;
|
|
if (NS_OK == mCurrentEventFrame->GetContentForEvent(mPresContext, aEvent, &targetContent) && nsnull != targetContent) {
|
|
rv = targetContent->HandleDOMEvent(mPresContext, aEvent, nsnull,
|
|
aFlags, aStatus);
|
|
NS_RELEASE(targetContent);
|
|
}
|
|
}
|
|
|
|
//3. Give event to the Frames for browser default processing.
|
|
// XXX The event isn't translated into the local coordinate space
|
|
// of the frame...
|
|
if (GetCurrentEventFrame() && NS_OK == rv && aEvent->eventStructType != NS_EVENT) {
|
|
rv = mCurrentEventFrame->HandleEvent(mPresContext, (nsGUIEvent*)aEvent, aStatus);
|
|
}
|
|
|
|
//4. Give event to event manager for post event state changes and generation of synthetic events.
|
|
if ((GetCurrentEventFrame()) && NS_OK == rv) {
|
|
rv = manager->PostHandleEvent(mPresContext, aEvent, mCurrentEventFrame, aStatus, aView);
|
|
}
|
|
}
|
|
NS_RELEASE(manager);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
// Dispatch event to content only (NOT full processing)
|
|
// See also HandleEventWithTarget which does full event processing.
|
|
NS_IMETHODIMP
|
|
PresShell::HandleDOMEventWithTarget(nsIContent* aTargetContent, nsEvent* aEvent, nsEventStatus* aStatus)
|
|
{
|
|
nsresult ret;
|
|
|
|
PushCurrentEventInfo(nsnull, aTargetContent);
|
|
|
|
// Bug 41013: Check if the event should be dispatched to content.
|
|
// It's possible that we are in the middle of destroying the window
|
|
// and the js context is out of date. This check detects the case
|
|
// that caused a crash in bug 41013, but there may be a better way
|
|
// to handle this situation!
|
|
nsCOMPtr<nsISupports> container;
|
|
ret = mPresContext->GetContainer(getter_AddRefs(container));
|
|
if (NS_SUCCEEDED(ret) && container) {
|
|
|
|
// Dispatch event to content
|
|
ret = aTargetContent->HandleDOMEvent(mPresContext, aEvent, nsnull, NS_EVENT_FLAG_INIT, aStatus);
|
|
}
|
|
|
|
PopCurrentEventInfo();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::Scrolled(nsIView *aView)
|
|
{
|
|
void* clientData;
|
|
nsIFrame* frame;
|
|
nsresult rv;
|
|
|
|
NS_ASSERTION(!(nsnull == aView), "null view");
|
|
|
|
aView->GetClientData(clientData);
|
|
frame = (nsIFrame *)clientData;
|
|
|
|
if (nsnull != frame)
|
|
rv = frame->Scrolled(aView);
|
|
else
|
|
rv = NS_OK;
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShell::ResizeReflow(nsIView *aView, nscoord aWidth, nscoord aHeight)
|
|
{
|
|
return ResizeReflow(aWidth, aHeight);
|
|
}
|
|
|
|
//--------------------------------------------------------
|
|
// Start of protected and private methods on the PresShell
|
|
//--------------------------------------------------------
|
|
|
|
//-------------- Begin Reflow Event Definition ------------------------
|
|
|
|
struct ReflowEvent : public PLEvent {
|
|
ReflowEvent(nsIPresShell* aPresShell);
|
|
~ReflowEvent() { }
|
|
|
|
void HandleEvent() {
|
|
nsCOMPtr<nsIPresShell> presShell = do_QueryReferent(mPresShell);
|
|
if (presShell) {
|
|
#ifdef DEBUG
|
|
if (VERIFY_REFLOW_NOISY_RC & gVerifyReflowFlags) {
|
|
printf("\n*** Handling reflow event: PresShell=%p, event=%p\n", presShell.get(), this);
|
|
}
|
|
#endif
|
|
// XXX Statically cast the pres shell pointer so that we can call
|
|
// protected methods on the pres shell. (the ReflowEvent struct
|
|
// is a friend of the PresShell class)
|
|
PresShell* ps = NS_REINTERPRET_CAST(PresShell*, presShell.get());
|
|
PRBool isBatching;
|
|
ps->SetReflowEventStatus(PR_FALSE);
|
|
ps->GetReflowBatchingStatus(&isBatching);
|
|
if (!isBatching) {
|
|
nsCOMPtr<nsIViewManager> viewManager;
|
|
// Set a kung fu death grip on the view manager associated with the pres shell
|
|
// before processing that pres shell's reflow commands. Fixes bug 54868.
|
|
presShell->GetViewManager(getter_AddRefs(viewManager));
|
|
ps->ProcessReflowCommands(PR_TRUE);
|
|
|
|
// Now, explicitly release the pres shell before the view manager
|
|
presShell = nsnull;
|
|
viewManager = nsnull;
|
|
}
|
|
}
|
|
else
|
|
mPresShell = 0;
|
|
}
|
|
|
|
nsWeakPtr mPresShell;
|
|
};
|
|
|
|
static void PR_CALLBACK HandlePLEvent(ReflowEvent* aEvent)
|
|
{
|
|
aEvent->HandleEvent();
|
|
}
|
|
|
|
static void PR_CALLBACK DestroyPLEvent(ReflowEvent* aEvent)
|
|
{
|
|
delete aEvent;
|
|
}
|
|
|
|
|
|
ReflowEvent::ReflowEvent(nsIPresShell* aPresShell)
|
|
{
|
|
NS_ASSERTION(aPresShell, "Null parameters!");
|
|
|
|
mPresShell = getter_AddRefs(NS_GetWeakReference(aPresShell));
|
|
|
|
PL_InitEvent(this, aPresShell,
|
|
(PLHandleEventProc) ::HandlePLEvent,
|
|
(PLDestroyEventProc) ::DestroyPLEvent);
|
|
}
|
|
|
|
//-------------- End Reflow Event Definition ---------------------------
|
|
|
|
|
|
void
|
|
PresShell::PostReflowEvent()
|
|
{
|
|
if (!mPendingReflowEvent && !mIsReflowing && mReflowCommands.Count() > 0) {
|
|
ReflowEvent* ev = new ReflowEvent(NS_STATIC_CAST(nsIPresShell*, this));
|
|
mEventQueue->PostEvent(ev);
|
|
mPendingReflowEvent = PR_TRUE;
|
|
#ifdef DEBUG
|
|
if (VERIFY_REFLOW_NOISY_RC & gVerifyReflowFlags) {
|
|
printf("\n*** PresShell::PostReflowEvent(), this=%p, event=%p\n", this, ev);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
PresShell::WillCauseReflow()
|
|
{
|
|
mViewManager->CacheWidgetChanges(PR_TRUE);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
PresShell::DidCauseReflow()
|
|
{
|
|
mViewManager->CacheWidgetChanges(PR_FALSE);
|
|
|
|
if (!gAsyncReflowDuringDocLoad && mDocumentLoading) {
|
|
FlushPendingNotifications();
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
PresShell::ProcessReflowCommand(nsVoidArray& aQueue,
|
|
PRBool aAccumulateTime,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
nsSize& aMaxSize,
|
|
nsIRenderingContext& aRenderingContext)
|
|
{
|
|
// Use RemoveElementAt in case the reflowcommand dispatches a
|
|
// new one during its execution.
|
|
nsIReflowCommand* rc = (nsIReflowCommand*)aQueue.ElementAt(0);
|
|
aQueue.RemoveElementAt(0);
|
|
|
|
// Dispatch the reflow command
|
|
PRTime beforeReflow, afterReflow;
|
|
if (aAccumulateTime)
|
|
beforeReflow = PR_Now();
|
|
rc->Dispatch(mPresContext, aDesiredSize, aMaxSize, aRenderingContext); // dispatch the reflow command
|
|
if (aAccumulateTime)
|
|
afterReflow = PR_Now();
|
|
|
|
ReflowCommandRemoved(rc);
|
|
NS_RELEASE(rc);
|
|
VERIFY_STYLE_TREE;
|
|
|
|
if (aAccumulateTime) {
|
|
PRInt64 totalTime, diff;
|
|
LL_SUB(diff, afterReflow, beforeReflow);
|
|
|
|
LL_I2L(totalTime, mAccumulatedReflowTime);
|
|
LL_ADD(totalTime, totalTime, diff);
|
|
LL_L2I(mAccumulatedReflowTime, totalTime);
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
PresShell::ProcessReflowCommands(PRBool aInterruptible)
|
|
{
|
|
MOZ_TIMER_DEBUGLOG(("Start: Reflow: PresShell::ProcessReflowCommands(), this=%p\n", this));
|
|
MOZ_TIMER_START(mReflowWatch);
|
|
|
|
if (0 != mReflowCommands.Count()) {
|
|
nsHTMLReflowMetrics desiredSize(nsnull);
|
|
nsIRenderingContext* rcx;
|
|
nsIFrame* rootFrame;
|
|
mFrameManager->GetRootFrame(&rootFrame);
|
|
nsSize maxSize;
|
|
rootFrame->GetSize(maxSize);
|
|
|
|
nsresult rv=CreateRenderingContext(rootFrame, &rcx);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
#ifdef DEBUG
|
|
if (GetVerifyReflowEnable()) {
|
|
if (VERIFY_REFLOW_ALL & gVerifyReflowFlags) {
|
|
printf("ProcessReflowCommands: begin incremental reflow\n");
|
|
}
|
|
}
|
|
if (VERIFY_REFLOW_DUMP_COMMANDS & gVerifyReflowFlags) {
|
|
PRInt32 i, n = mReflowCommands.Count();
|
|
printf("\nPresShell::ProcessReflowCommands: this=%p, count=%d\n", this, n);
|
|
for (i = 0; i < n; i++) {
|
|
nsIReflowCommand* rc = (nsIReflowCommand*)
|
|
mReflowCommands.ElementAt(i);
|
|
rc->List(stdout);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
mIsReflowing = PR_TRUE;
|
|
PRInt64 maxTime;
|
|
while (0 != mReflowCommands.Count()) {
|
|
ProcessReflowCommand(mReflowCommands, aInterruptible, desiredSize, maxSize, *rcx);
|
|
if (aInterruptible) {
|
|
LL_I2L(maxTime, gMaxRCProcessingTime);
|
|
PRInt64 temp;
|
|
LL_I2L(temp, mAccumulatedReflowTime);
|
|
if (LL_CMP(temp, >, maxTime))
|
|
break;
|
|
}
|
|
}
|
|
mIsReflowing = PR_FALSE;
|
|
|
|
DoneRemovingReflowCommands();
|
|
|
|
if (aInterruptible) {
|
|
// process the timeout reflow commands completely
|
|
// printf("timeout reflows=%d \n", mTimeoutReflowCommands.Count());
|
|
while (0 != mTimeoutReflowCommands.Count()) {
|
|
ProcessReflowCommand(mTimeoutReflowCommands, PR_TRUE, desiredSize, maxSize, *rcx);
|
|
}
|
|
if (mReflowCommands.Count() > 0) { // Reflow Commands are still queued up.
|
|
// Schedule a reflow event to handle the remaining reflow commands asynchronously.
|
|
PostReflowEvent();
|
|
}
|
|
#ifdef DEBUG
|
|
if (VERIFY_REFLOW_DUMP_COMMANDS & gVerifyReflowFlags) {
|
|
printf("Time spent in PresShell::ProcessReflowCommands(), this=%p, time=%d micro seconds\n",
|
|
this, mAccumulatedReflowTime);
|
|
}
|
|
#endif
|
|
mAccumulatedReflowTime = 0;
|
|
}
|
|
NS_IF_RELEASE(rcx);
|
|
|
|
#ifdef DEBUG
|
|
if (VERIFY_REFLOW_DUMP_COMMANDS & gVerifyReflowFlags) {
|
|
printf("\nPresShell::ProcessReflowCommands() finished: this=%p\n", this);
|
|
}
|
|
|
|
if (nsIFrameDebug::GetVerifyTreeEnable()) {
|
|
nsIFrameDebug* frameDebug;
|
|
|
|
if (NS_SUCCEEDED(rootFrame->QueryInterface(NS_GET_IID(nsIFrameDebug),
|
|
(void**)&frameDebug))) {
|
|
frameDebug->VerifyTree();
|
|
}
|
|
}
|
|
if (GetVerifyReflowEnable()) {
|
|
// First synchronously render what we have so far so that we can
|
|
// see it.
|
|
nsIView* rootView;
|
|
mViewManager->GetRootView(rootView);
|
|
mViewManager->UpdateView(rootView, NS_VMREFRESH_IMMEDIATE);
|
|
|
|
mInVerifyReflow = PR_TRUE;
|
|
PRBool ok = VerifyIncrementalReflow();
|
|
mInVerifyReflow = PR_FALSE;
|
|
if (VERIFY_REFLOW_ALL & gVerifyReflowFlags) {
|
|
printf("ProcessReflowCommands: finished (%s)\n",
|
|
ok ? "ok" : "failed");
|
|
}
|
|
|
|
if (0 != mReflowCommands.Count()) {
|
|
printf("XXX yikes! reflow commands queued during verify-reflow\n");
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
MOZ_TIMER_DEBUGLOG(("Stop: Reflow: PresShell::ProcessReflowCommands(), this=%p\n", this));
|
|
MOZ_TIMER_STOP(mReflowWatch);
|
|
|
|
HandlePostedDOMEvents();
|
|
HandlePostedAttributeChanges();
|
|
HandlePostedReflowCallbacks();
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
nsresult
|
|
PresShell::SendInterruptNotificationTo(nsIFrame* aFrame,
|
|
nsIPresShell::InterruptType aInterruptType)
|
|
{
|
|
// create a reflow command targeted at aFrame
|
|
nsIReflowCommand* reflowCmd;
|
|
nsresult rv;
|
|
|
|
// Target the reflow comamnd at aFrame
|
|
rv = NS_NewHTMLReflowCommand(&reflowCmd, aFrame,
|
|
nsIReflowCommand::Timeout);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
// Add the reflow command
|
|
AppendReflowCommandInternal(reflowCmd, mTimeoutReflowCommands);
|
|
NS_RELEASE(reflowCmd);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
PresShell::CancelInterruptNotificationTo(nsIFrame* aFrame,
|
|
nsIPresShell:: InterruptType aInterruptType)
|
|
|
|
{
|
|
return CancelReflowCommandInternal(aFrame, nsnull, mTimeoutReflowCommands);
|
|
}
|
|
|
|
nsresult
|
|
PresShell::GetReflowEventStatus(PRBool* aPending)
|
|
{
|
|
if (aPending)
|
|
*aPending = mPendingReflowEvent;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
PresShell::SetReflowEventStatus(PRBool aPending)
|
|
{
|
|
mPendingReflowEvent = aPending;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
PresShell::CloneStyleSet(nsIStyleSet* aSet, nsIStyleSet** aResult)
|
|
{
|
|
nsresult rv;
|
|
nsCOMPtr<nsIStyleSet> clone(do_CreateInstance(kStyleSetCID,&rv));
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
PRInt32 i, n;
|
|
n = aSet->GetNumberOfOverrideStyleSheets();
|
|
for (i = 0; i < n; i++) {
|
|
nsIStyleSheet* ss;
|
|
ss = aSet->GetOverrideStyleSheetAt(i);
|
|
if (nsnull != ss) {
|
|
clone->AppendOverrideStyleSheet(ss);
|
|
NS_RELEASE(ss);
|
|
}
|
|
}
|
|
|
|
n = aSet->GetNumberOfDocStyleSheets();
|
|
for (i = 0; i < n; i++) {
|
|
nsIStyleSheet* ss;
|
|
ss = aSet->GetDocStyleSheetAt(i);
|
|
if (nsnull != ss) {
|
|
clone->AddDocStyleSheet(ss, mDocument);
|
|
NS_RELEASE(ss);
|
|
}
|
|
}
|
|
|
|
n = aSet->GetNumberOfBackstopStyleSheets();
|
|
for (i = 0; i < n; i++) {
|
|
nsIStyleSheet* ss;
|
|
ss = aSet->GetBackstopStyleSheetAt(i);
|
|
if (nsnull != ss) {
|
|
clone->AppendBackstopStyleSheet(ss);
|
|
NS_RELEASE(ss);
|
|
}
|
|
}
|
|
*aResult = clone.get();
|
|
NS_ADDREF(*aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
nsresult
|
|
PresShell::ReflowCommandAdded(nsIReflowCommand* aRC)
|
|
{
|
|
|
|
if (gAsyncReflowDuringDocLoad) {
|
|
NS_PRECONDITION(mRCCreatedDuringLoad >= 0, "PresShell's reflow command queue is in a bad state.");
|
|
if (mDocumentLoading) {
|
|
PRInt32 flags;
|
|
aRC->GetFlags(&flags);
|
|
flags |= NS_RC_CREATED_DURING_DOCUMENT_LOAD;
|
|
aRC->SetFlags(flags);
|
|
mRCCreatedDuringLoad++;
|
|
|
|
if (!mDummyLayoutRequest) {
|
|
AddDummyLayoutRequest();
|
|
}
|
|
|
|
#ifdef DEBUG_nisheeth
|
|
printf("presshell=%p, mRCCreatedDuringLoad=%d\n", this, mRCCreatedDuringLoad);
|
|
#endif
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
PresShell::ReflowCommandRemoved(nsIReflowCommand* aRC)
|
|
{
|
|
if (gAsyncReflowDuringDocLoad) {
|
|
NS_PRECONDITION(mRCCreatedDuringLoad >= 0, "PresShell's reflow command queue is in a bad state.");
|
|
PRInt32 flags;
|
|
aRC->GetFlags(&flags);
|
|
if (flags & NS_RC_CREATED_DURING_DOCUMENT_LOAD) {
|
|
mRCCreatedDuringLoad--;
|
|
#ifdef DEBUG_nisheeth
|
|
printf("presshell=%p, mRCCreatedDuringLoad=%d\n", this, mRCCreatedDuringLoad);
|
|
#endif
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
PresShell::DoneRemovingReflowCommands()
|
|
{
|
|
if (mRCCreatedDuringLoad == 0 && mDummyLayoutRequest) {
|
|
RemoveDummyLayoutRequest();
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
PresShell::AddDummyLayoutRequest(void)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
if (gAsyncReflowDuringDocLoad) {
|
|
rv = DummyLayoutRequest::Create(getter_AddRefs(mDummyLayoutRequest), this);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
nsCOMPtr<nsILoadGroup> loadGroup;
|
|
if (mDocument) {
|
|
rv = mDocument->GetDocumentLoadGroup(getter_AddRefs(loadGroup));
|
|
if (NS_FAILED(rv)) return rv;
|
|
}
|
|
|
|
if (loadGroup) {
|
|
nsCOMPtr<nsIChannel> channel = do_QueryInterface(mDummyLayoutRequest);
|
|
rv = channel->SetLoadGroup(loadGroup);
|
|
if (NS_FAILED(rv)) return rv;
|
|
rv = loadGroup->AddRequest(mDummyLayoutRequest, nsnull);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
PR_LOG(gLog, PR_LOG_ALWAYS,
|
|
("presshell=%p, Added dummy layout request %p", this, mDummyLayoutRequest.get()));
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
PresShell::RemoveDummyLayoutRequest(void)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
if (gAsyncReflowDuringDocLoad) {
|
|
nsCOMPtr<nsILoadGroup> loadGroup;
|
|
if (mDocument) {
|
|
rv = mDocument->GetDocumentLoadGroup(getter_AddRefs(loadGroup));
|
|
if (NS_FAILED(rv)) return rv;
|
|
}
|
|
|
|
if (loadGroup && mDummyLayoutRequest) {
|
|
rv = loadGroup->RemoveRequest(mDummyLayoutRequest, nsnull, NS_OK);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
PR_LOG(gLog, PR_LOG_ALWAYS,
|
|
("presshell=%p, Removed dummy layout request %p", this, mDummyLayoutRequest.get()));
|
|
|
|
mDummyLayoutRequest = nsnull;
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
//------------------------------------------------------
|
|
// End of protected and private methods on the PresShell
|
|
//------------------------------------------------------
|
|
|
|
// Start of DEBUG only code
|
|
|
|
#ifdef NS_DEBUG
|
|
#include "nsViewsCID.h"
|
|
#include "nsWidgetsCID.h"
|
|
#include "nsIScrollableView.h"
|
|
#include "nsIDeviceContext.h"
|
|
#include "nsIURL.h"
|
|
#include "nsILinkHandler.h"
|
|
|
|
static NS_DEFINE_CID(kViewManagerCID, NS_VIEW_MANAGER_CID);
|
|
static NS_DEFINE_CID(kScrollingViewCID, NS_SCROLLING_VIEW_CID);
|
|
static NS_DEFINE_CID(kWidgetCID, NS_CHILD_CID);
|
|
|
|
static void
|
|
LogVerifyMessage(nsIFrame* k1, nsIFrame* k2, const char* aMsg)
|
|
{
|
|
printf("verifyreflow: ");
|
|
nsAutoString name;
|
|
if (nsnull != k1) {
|
|
nsIFrameDebug* frameDebug;
|
|
|
|
if (NS_SUCCEEDED(k1->QueryInterface(NS_GET_IID(nsIFrameDebug),
|
|
(void**)&frameDebug))) {
|
|
frameDebug->GetFrameName(name);
|
|
}
|
|
}
|
|
else {
|
|
name.AssignWithConversion("(null)");
|
|
}
|
|
fputs(name, stdout);
|
|
|
|
printf(" != ");
|
|
|
|
if (nsnull != k2) {
|
|
nsIFrameDebug* frameDebug;
|
|
|
|
if (NS_SUCCEEDED(k2->QueryInterface(NS_GET_IID(nsIFrameDebug),
|
|
(void**)&frameDebug))) {
|
|
frameDebug->GetFrameName(name);
|
|
}
|
|
}
|
|
else {
|
|
name.AssignWithConversion("(null)");
|
|
}
|
|
fputs(name, stdout);
|
|
|
|
printf(" %s", aMsg);
|
|
}
|
|
|
|
static void
|
|
LogVerifyMessage(nsIFrame* k1, nsIFrame* k2, const char* aMsg,
|
|
const nsRect& r1, const nsRect& r2)
|
|
{
|
|
printf("VerifyReflow Error:\n");
|
|
nsAutoString name;
|
|
nsIFrameDebug* frameDebug;
|
|
|
|
if (NS_SUCCEEDED(k1->QueryInterface(NS_GET_IID(nsIFrameDebug),
|
|
(void**)&frameDebug))) {
|
|
fprintf(stdout, " ");
|
|
frameDebug->GetFrameName(name);
|
|
fputs(name, stdout);
|
|
fprintf(stdout, " %p ", k1);
|
|
}
|
|
printf("{%d, %d, %d, %d}", r1.x, r1.y, r1.width, r1.height);
|
|
|
|
printf(" != \n");
|
|
|
|
if (NS_SUCCEEDED(k2->QueryInterface(NS_GET_IID(nsIFrameDebug),
|
|
(void**)&frameDebug))) {
|
|
fprintf(stdout, " ");
|
|
frameDebug->GetFrameName(name);
|
|
fputs(name, stdout);
|
|
fprintf(stdout, " %p ", k2);
|
|
}
|
|
printf("{%d, %d, %d, %d}\n", r2.x, r2.y, r2.width, r2.height);
|
|
|
|
printf(" %s\n", aMsg);
|
|
}
|
|
|
|
static PRBool
|
|
CompareTrees(nsIPresContext* aFirstPresContext, nsIFrame* aFirstFrame,
|
|
nsIPresContext* aSecondPresContext, nsIFrame* aSecondFrame)
|
|
{
|
|
if (!aFirstPresContext || !aFirstFrame || !aSecondPresContext || !aSecondFrame)
|
|
return PR_TRUE;
|
|
PRBool ok = PR_TRUE;
|
|
nsIAtom* listName = nsnull;
|
|
PRInt32 listIndex = 0;
|
|
do {
|
|
nsIFrame* k1, *k2;
|
|
aFirstFrame->FirstChild(aFirstPresContext, listName, &k1);
|
|
aSecondFrame->FirstChild(aSecondPresContext, listName, &k2);
|
|
PRInt32 l1 = nsContainerFrame::LengthOf(k1);
|
|
PRInt32 l2 = nsContainerFrame::LengthOf(k2);
|
|
if (l1 != l2) {
|
|
ok = PR_FALSE;
|
|
LogVerifyMessage(k1, k2, "child counts don't match: ");
|
|
printf("%d != %d\n", l1, l2);
|
|
if (0 == (VERIFY_REFLOW_ALL & gVerifyReflowFlags)) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
nsRect r1, r2;
|
|
nsIView* v1, *v2;
|
|
nsIWidget* w1, *w2;
|
|
for (;;) {
|
|
if (((nsnull == k1) && (nsnull != k2)) ||
|
|
((nsnull != k1) && (nsnull == k2))) {
|
|
ok = PR_FALSE;
|
|
LogVerifyMessage(k1, k2, "child lists are different\n");
|
|
break;
|
|
}
|
|
else if (nsnull != k1) {
|
|
// Verify that the frames are the same size
|
|
k1->GetRect(r1);
|
|
k2->GetRect(r2);
|
|
if (r1 != r2) {
|
|
ok = PR_FALSE;
|
|
LogVerifyMessage(k1, k2, "(frame rects)", r1, r2);
|
|
}
|
|
|
|
// Make sure either both have views or neither have views; if they
|
|
// do have views, make sure the views are the same size. If the
|
|
// views have widgets, make sure they both do or neither does. If
|
|
// they do, make sure the widgets are the same size.
|
|
k1->GetView(aFirstPresContext, &v1);
|
|
k2->GetView(aSecondPresContext, &v2);
|
|
if (((nsnull == v1) && (nsnull != v2)) ||
|
|
((nsnull != v1) && (nsnull == v2))) {
|
|
ok = PR_FALSE;
|
|
LogVerifyMessage(k1, k2, "child views are not matched\n");
|
|
}
|
|
else if (nsnull != v1) {
|
|
v1->GetBounds(r1);
|
|
v2->GetBounds(r2);
|
|
if (r1 != r2) {
|
|
LogVerifyMessage(k1, k2, "(view rects)", r1, r2);
|
|
}
|
|
|
|
v1->GetWidget(w1);
|
|
v2->GetWidget(w2);
|
|
if (((nsnull == w1) && (nsnull != w2)) ||
|
|
((nsnull != w1) && (nsnull == w2))) {
|
|
ok = PR_FALSE;
|
|
LogVerifyMessage(k1, k2, "child widgets are not matched\n");
|
|
}
|
|
else if (nsnull != w1) {
|
|
w1->GetBounds(r1);
|
|
w2->GetBounds(r2);
|
|
if (r1 != r2) {
|
|
LogVerifyMessage(k1, k2, "(widget rects)", r1, r2);
|
|
}
|
|
}
|
|
}
|
|
if (!ok && (0 == (VERIFY_REFLOW_ALL & gVerifyReflowFlags))) {
|
|
break;
|
|
}
|
|
|
|
// verify that neither frame has a space manager,
|
|
// or they both do and the space managers are equivalent
|
|
nsCOMPtr<nsIFrameManager>fm1;
|
|
nsCOMPtr<nsIPresShell> ps1;
|
|
nsISpaceManager *sm1; // note, no ref counting here
|
|
aFirstPresContext->GetShell(getter_AddRefs(ps1));
|
|
NS_ASSERTION(ps1, "no pres shell for primary tree!");
|
|
ps1->GetFrameManager(getter_AddRefs(fm1));
|
|
NS_ASSERTION(fm1, "no frame manager for primary tree!");
|
|
fm1->GetFrameProperty((nsIFrame*)k1, nsLayoutAtoms::spaceManagerProperty,
|
|
0, (void **)&sm1);
|
|
// look at the test frame
|
|
nsCOMPtr<nsIFrameManager>fm2;
|
|
nsCOMPtr<nsIPresShell> ps2;
|
|
nsISpaceManager *sm2; // note, no ref counting here
|
|
aSecondPresContext->GetShell(getter_AddRefs(ps2));
|
|
NS_ASSERTION(ps2, "no pres shell for test tree!");
|
|
ps2->GetFrameManager(getter_AddRefs(fm2));
|
|
NS_ASSERTION(fm2, "no frame manager for test tree!");
|
|
fm2->GetFrameProperty((nsIFrame*)k2, nsLayoutAtoms::spaceManagerProperty,
|
|
0, (void **)&sm2);
|
|
// now compare the space managers
|
|
if (((nsnull == sm1) && (nsnull != sm2)) ||
|
|
((nsnull != sm1) && (nsnull == sm2))) { // one is null, and the other is not
|
|
ok = PR_FALSE;
|
|
LogVerifyMessage(k1, k2, "space managers are not matched\n");
|
|
}
|
|
else if (sm1 && sm2) { // both are not null, compare them
|
|
// first, compare yMost
|
|
nscoord yMost1, yMost2;
|
|
nsresult smresult = sm1->YMost(yMost1);
|
|
if (NS_ERROR_ABORT != smresult)
|
|
{
|
|
NS_ASSERTION(NS_SUCCEEDED(smresult), "bad result");
|
|
smresult = sm2->YMost(yMost2);
|
|
NS_ASSERTION(NS_SUCCEEDED(smresult), "bad result");
|
|
if (yMost1 != yMost2) {
|
|
LogVerifyMessage(k1, k2, "yMost of space managers differs\n");
|
|
}
|
|
// now compare bands by sampling
|
|
PRInt32 yIncrement = yMost1/100;
|
|
if (0==yIncrement) {
|
|
yIncrement = 1; // guarantee we make progress in the loop below
|
|
}
|
|
nscoord yOffset = 0;
|
|
for ( ; ok && yOffset < yMost1; yOffset += yIncrement)
|
|
{
|
|
nscoord small=5, large=100;
|
|
nsBandData band1, band2;
|
|
nsBandTrapezoid trap1[20], trap2[20];
|
|
band1.mSize = band2.mSize = 20;
|
|
band1.mTrapezoids = trap1;
|
|
band2.mTrapezoids = trap2;
|
|
sm1->GetBandData(yOffset, nsSize(small,small), band1);
|
|
sm2->GetBandData(yOffset, nsSize(small,small), band2);
|
|
if (band1.mCount != band2.mCount)
|
|
{ // count mismatch, stop comparing
|
|
LogVerifyMessage(k1, k2, "band.mCount of space managers differs\n");
|
|
printf("count1= %d, count2=%d, yOffset = %d, size=%d\n",
|
|
band1.mCount, band2.mCount, yOffset, small);
|
|
ok = PR_FALSE;
|
|
|
|
}
|
|
else // band counts match, compare individual traps
|
|
{
|
|
PRInt32 trapIndex=0;
|
|
for ( ;trapIndex<band1.mCount; trapIndex++)
|
|
{
|
|
PRBool match = (trap1[trapIndex].EqualGeometry(trap2[trapIndex])) &&
|
|
trap1[trapIndex].mState == trap2[trapIndex].mState;
|
|
if (!match)
|
|
{
|
|
LogVerifyMessage(k1, k2, "band.mTrapezoids of space managers differs\n");
|
|
printf ("index %d\n", trapIndex);
|
|
}
|
|
}
|
|
}
|
|
// test the larger maxSize
|
|
sm1->GetBandData(yOffset, nsSize(large,large), band1);
|
|
sm2->GetBandData(yOffset, nsSize(large,large), band2);
|
|
if (band1.mCount != band2.mCount)
|
|
{ // count mismatch, stop comparing
|
|
LogVerifyMessage(k1, k2, "band.mCount of space managers differs\n");
|
|
printf("count1= %d, count2=%d, yOffset = %d, size=%d\n",
|
|
band1.mCount, band2.mCount, yOffset, small);
|
|
ok = PR_FALSE;
|
|
|
|
}
|
|
else // band counts match, compare individual traps
|
|
{
|
|
PRInt32 trapIndex=0;
|
|
for ( ; trapIndex<band1.mCount; trapIndex++)
|
|
{
|
|
PRBool match = (trap1[trapIndex].EqualGeometry(trap2[trapIndex])) &&
|
|
trap1[trapIndex].mState == trap2[trapIndex].mState;
|
|
if (!match)
|
|
{
|
|
LogVerifyMessage(k1, k2, "band.mTrapezoids of space managers differs\n");
|
|
printf ("index %d\n", trapIndex);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
// Compare the sub-trees too
|
|
if (!CompareTrees(aFirstPresContext, k1, aSecondPresContext, k2)) {
|
|
ok = PR_FALSE;
|
|
if (0 == (VERIFY_REFLOW_ALL & gVerifyReflowFlags)) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Advance to next sibling
|
|
k1->GetNextSibling(&k1);
|
|
k2->GetNextSibling(&k2);
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
if (!ok && (0 == (VERIFY_REFLOW_ALL & gVerifyReflowFlags))) {
|
|
break;
|
|
}
|
|
NS_IF_RELEASE(listName);
|
|
|
|
nsIAtom* listName1;
|
|
nsIAtom* listName2;
|
|
aFirstFrame->GetAdditionalChildListName(listIndex, &listName1);
|
|
aSecondFrame->GetAdditionalChildListName(listIndex, &listName2);
|
|
listIndex++;
|
|
if (listName1 != listName2) {
|
|
if (0 == (VERIFY_REFLOW_ALL & gVerifyReflowFlags)) {
|
|
ok = PR_FALSE;
|
|
}
|
|
LogVerifyMessage(k1, k2, "child list names are not matched: ");
|
|
nsAutoString tmp;
|
|
if (nsnull != listName1) {
|
|
listName1->ToString(tmp);
|
|
fputs(tmp, stdout);
|
|
}
|
|
else
|
|
fputs("(null)", stdout);
|
|
printf(" != ");
|
|
if (nsnull != listName2) {
|
|
listName2->ToString(tmp);
|
|
fputs(tmp, stdout);
|
|
}
|
|
else
|
|
fputs("(null)", stdout);
|
|
printf("\n");
|
|
NS_IF_RELEASE(listName1);
|
|
NS_IF_RELEASE(listName2);
|
|
break;
|
|
}
|
|
NS_IF_RELEASE(listName2);
|
|
listName = listName1;
|
|
} while (ok && (listName != nsnull));
|
|
|
|
return ok;
|
|
}
|
|
#endif
|
|
|
|
#if 0
|
|
static nsIFrame*
|
|
FindTopFrame(nsIFrame* aRoot)
|
|
{
|
|
if (nsnull != aRoot) {
|
|
nsIContent* content;
|
|
aRoot->GetContent(&content);
|
|
if (nsnull != content) {
|
|
nsIAtom* tag;
|
|
content->GetTag(tag);
|
|
if (nsnull != tag) {
|
|
NS_RELEASE(tag);
|
|
NS_RELEASE(content);
|
|
return aRoot;
|
|
}
|
|
NS_RELEASE(content);
|
|
}
|
|
|
|
// Try one of the children
|
|
nsIFrame* kid;
|
|
aRoot->FirstChild(nsnull, &kid);
|
|
while (nsnull != kid) {
|
|
nsIFrame* result = FindTopFrame(kid);
|
|
if (nsnull != result) {
|
|
return result;
|
|
}
|
|
kid->GetNextSibling(&kid);
|
|
}
|
|
}
|
|
return nsnull;
|
|
}
|
|
#endif
|
|
|
|
|
|
#ifdef DEBUG
|
|
// After an incremental reflow, we verify the correctness by doing a
|
|
// full reflow into a fresh frame tree.
|
|
PRBool
|
|
PresShell::VerifyIncrementalReflow()
|
|
{
|
|
if (VERIFY_REFLOW_NOISY & gVerifyReflowFlags) {
|
|
printf("Building Verification Tree...\n");
|
|
}
|
|
// All the stuff we are creating that needs releasing
|
|
nsIPresContext* cx;
|
|
nsIViewManager* vm;
|
|
nsIPresShell* sh;
|
|
|
|
// Create a presentation context to view the new frame tree
|
|
nsresult rv;
|
|
PRBool isPaginated = PR_FALSE;
|
|
mPresContext->IsPaginated(&isPaginated);
|
|
if (isPaginated) {
|
|
rv = NS_NewPrintPreviewContext(&cx);
|
|
}
|
|
else {
|
|
rv = NS_NewGalleyContext(&cx);
|
|
}
|
|
|
|
nsISupports* container;
|
|
if (NS_SUCCEEDED(mPresContext->GetContainer(&container)) &&
|
|
(nsnull != container)) {
|
|
cx->SetContainer(container);
|
|
nsILinkHandler* lh;
|
|
if (NS_SUCCEEDED(container->QueryInterface(NS_GET_IID(nsILinkHandler),
|
|
(void**)&lh))) {
|
|
cx->SetLinkHandler(lh);
|
|
NS_RELEASE(lh);
|
|
}
|
|
NS_RELEASE(container);
|
|
}
|
|
|
|
NS_ASSERTION(NS_OK == rv, "failed to create presentation context");
|
|
nsCOMPtr<nsIDeviceContext> dc;
|
|
mPresContext->GetDeviceContext(getter_AddRefs(dc));
|
|
cx->Init(dc);
|
|
|
|
// Get our scrolling preference
|
|
nsScrollPreference scrolling;
|
|
nsIView* rootView;
|
|
mViewManager->GetRootView(rootView);
|
|
nsIScrollableView* scrollView;
|
|
rv = rootView->QueryInterface(NS_GET_IID(nsIScrollableView),
|
|
(void**)&scrollView);
|
|
if (NS_OK == rv) {
|
|
scrollView->GetScrollPreference(scrolling);
|
|
}
|
|
nsIWidget* rootWidget;
|
|
rootView->GetWidget(rootWidget);
|
|
void* nativeParentWidget = rootWidget->GetNativeData(NS_NATIVE_WIDGET);
|
|
|
|
// Create a new view manager.
|
|
rv = nsComponentManager::CreateInstance(kViewManagerCID, nsnull,
|
|
NS_GET_IID(nsIViewManager),
|
|
(void**) &vm);
|
|
if (NS_FAILED(rv)) {
|
|
NS_ASSERTION(NS_OK == rv, "failed to create view manager");
|
|
}
|
|
rv = vm->Init(dc);
|
|
if (NS_FAILED(rv)) {
|
|
NS_ASSERTION(NS_OK == rv, "failed to init view manager");
|
|
}
|
|
|
|
// Create a child window of the parent that is our "root view/window"
|
|
// Create a view
|
|
nsRect tbounds;
|
|
mPresContext->GetVisibleArea(tbounds);
|
|
nsIView* view;
|
|
rv = nsComponentManager::CreateInstance(kViewCID, nsnull,
|
|
NS_GET_IID(nsIView),
|
|
(void **) &view);
|
|
if (NS_FAILED(rv)) {
|
|
NS_ASSERTION(NS_OK == rv, "failed to create scroll view");
|
|
}
|
|
rv = view->Init(vm, tbounds, nsnull);
|
|
if (NS_FAILED(rv)) {
|
|
NS_ASSERTION(NS_OK == rv, "failed to init scroll view");
|
|
}
|
|
|
|
//now create the widget for the view
|
|
rv = view->CreateWidget(kWidgetCID, nsnull, nativeParentWidget);
|
|
if (NS_OK != rv) {
|
|
NS_ASSERTION(NS_OK == rv, "failed to create scroll view widget");
|
|
}
|
|
|
|
// Setup hierarchical relationship in view manager
|
|
vm->SetRootView(view);
|
|
|
|
// Make the new presentation context the same size as our
|
|
// presentation context.
|
|
nsRect r;
|
|
mPresContext->GetVisibleArea(r);
|
|
cx->SetVisibleArea(r);
|
|
|
|
// Create a new presentation shell to view the document. Use the
|
|
// exact same style information that this document has.
|
|
nsCOMPtr<nsIStyleSet> newSet;
|
|
rv = CloneStyleSet(mStyleSet, getter_AddRefs(newSet));
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "failed to clone style set");
|
|
rv = mDocument->CreateShell(cx, vm, newSet, &sh);
|
|
sh->SetVerifyReflowEnable(PR_FALSE); // turn off verify reflow while we're reflowing the test frame tree
|
|
NS_ASSERTION(NS_OK == rv, "failed to create presentation shell");
|
|
vm->SetViewObserver((nsIViewObserver *)((PresShell*)sh));
|
|
sh->InitialReflow(r.width, r.height);
|
|
sh->SetVerifyReflowEnable(PR_TRUE); // turn on verify reflow again now that we're done reflowing the test frame tree
|
|
if (VERIFY_REFLOW_NOISY & gVerifyReflowFlags) {
|
|
printf("Verification Tree built, comparing...\n");
|
|
}
|
|
|
|
// Now that the document has been reflowed, use its frame tree to
|
|
// compare against our frame tree.
|
|
nsIFrame* root1;
|
|
GetRootFrame(&root1);
|
|
nsIFrame* root2;
|
|
sh->GetRootFrame(&root2);
|
|
PRBool ok = CompareTrees(mPresContext, root1, cx, root2);
|
|
if (!ok && (VERIFY_REFLOW_NOISY & gVerifyReflowFlags)) {
|
|
printf("Verify reflow failed, primary tree:\n");
|
|
nsIFrameDebug* frameDebug;
|
|
|
|
if (NS_SUCCEEDED(root1->QueryInterface(NS_GET_IID(nsIFrameDebug),
|
|
(void**)&frameDebug))) {
|
|
frameDebug->List(mPresContext, stdout, 0);
|
|
}
|
|
printf("Verification tree:\n");
|
|
if (NS_SUCCEEDED(root2->QueryInterface(NS_GET_IID(nsIFrameDebug),
|
|
(void**)&frameDebug))) {
|
|
frameDebug->List(mPresContext, stdout, 0);
|
|
}
|
|
}
|
|
|
|
cx->Stop();
|
|
cx->SetContainer(nsnull);
|
|
NS_RELEASE(cx);
|
|
sh->EndObservingDocument();
|
|
NS_RELEASE(sh);
|
|
NS_RELEASE(vm);
|
|
if (VERIFY_REFLOW_NOISY & gVerifyReflowFlags) {
|
|
printf("Finished Verifying Reflow...\n");
|
|
}
|
|
|
|
return ok;
|
|
}
|
|
#endif
|
|
|
|
// PresShellViewEventListener
|
|
|
|
NS_IMPL_ISUPPORTS2(PresShellViewEventListener, nsIScrollPositionListener, nsICompositeListener)
|
|
|
|
PresShellViewEventListener::PresShellViewEventListener()
|
|
{
|
|
NS_INIT_ISUPPORTS();
|
|
mPresShell = 0;
|
|
mWasVisible = PR_FALSE;
|
|
mCallCount = 0;
|
|
}
|
|
|
|
PresShellViewEventListener::~PresShellViewEventListener()
|
|
{
|
|
mPresShell = 0;
|
|
}
|
|
|
|
nsresult
|
|
PresShellViewEventListener::SetPresShell(nsIPresShell *aPresShell)
|
|
{
|
|
mPresShell = aPresShell;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
PresShellViewEventListener::HideCaret()
|
|
{
|
|
nsresult result = NS_OK;
|
|
|
|
if (mPresShell && 0 == mCallCount)
|
|
{
|
|
nsCOMPtr<nsISelectionController> selCon = do_QueryInterface(mPresShell);
|
|
if (selCon)
|
|
{
|
|
result = selCon->GetCaretEnabled(&mWasVisible);
|
|
|
|
if (NS_SUCCEEDED(result) && mWasVisible)
|
|
result = selCon->SetCaretEnabled(PR_FALSE);
|
|
}
|
|
}
|
|
|
|
++mCallCount;
|
|
|
|
return result;
|
|
}
|
|
|
|
nsresult
|
|
PresShellViewEventListener::RestoreCaretVisibility()
|
|
{
|
|
nsresult result = NS_OK;
|
|
|
|
--mCallCount;
|
|
|
|
if (mPresShell && 0 == mCallCount && mWasVisible)
|
|
{
|
|
nsCOMPtr<nsISelectionController> selCon = do_QueryInterface(mPresShell);
|
|
if (selCon)
|
|
result = selCon->SetCaretEnabled(PR_TRUE);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShellViewEventListener::ScrollPositionWillChange(nsIScrollableView *aView, nscoord aX, nscoord aY)
|
|
{
|
|
return HideCaret();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShellViewEventListener::ScrollPositionDidChange(nsIScrollableView *aView, nscoord aX, nscoord aY)
|
|
{
|
|
return RestoreCaretVisibility();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShellViewEventListener::WillRefreshRegion(nsIViewManager *aViewManager,
|
|
nsIView *aView,
|
|
nsIRenderingContext *aContext,
|
|
nsIRegion *aRegion,
|
|
PRUint32 aUpdateFlags)
|
|
{
|
|
return HideCaret();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShellViewEventListener::DidRefreshRegion(nsIViewManager *aViewManager,
|
|
nsIView *aView,
|
|
nsIRenderingContext *aContext,
|
|
nsIRegion *aRegion,
|
|
PRUint32 aUpdateFlags)
|
|
{
|
|
return RestoreCaretVisibility();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShellViewEventListener::WillRefreshRect(nsIViewManager *aViewManager,
|
|
nsIView *aView,
|
|
nsIRenderingContext *aContext,
|
|
const nsRect *aRect,
|
|
PRUint32 aUpdateFlags)
|
|
{
|
|
return HideCaret();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PresShellViewEventListener::DidRefreshRect(nsIViewManager *aViewManager,
|
|
nsIView *aView,
|
|
nsIRenderingContext *aContext,
|
|
const nsRect *aRect,
|
|
PRUint32 aUpdateFlags)
|
|
{
|
|
return RestoreCaretVisibility();
|
|
}
|
|
|
|
// Enable, Disable and Print, Start, Stop and/or Reset the StyleSet watch
|
|
/*static*/
|
|
nsresult CtlStyleWatch(PRUint32 aCtlValue, nsIStyleSet *aStyleSet)
|
|
{
|
|
NS_ASSERTION(aStyleSet!=nsnull,"aStyleSet cannot be null in CtlStyleWatch");
|
|
nsresult rv = NS_OK;
|
|
#ifdef MOZ_PERF_METRICS
|
|
if (aStyleSet != nsnull){
|
|
nsCOMPtr<nsITimeRecorder> watch = do_QueryInterface(aStyleSet, &rv);
|
|
if (NS_SUCCEEDED(rv) && watch) {
|
|
if (aCtlValue & kStyleWatchEnable){
|
|
watch->EnableTimer(NS_TIMER_STYLE_RESOLUTION);
|
|
}
|
|
if (aCtlValue & kStyleWatchDisable){
|
|
watch->DisableTimer(NS_TIMER_STYLE_RESOLUTION);
|
|
}
|
|
if (aCtlValue & kStyleWatchPrint){
|
|
watch->PrintTimer(NS_TIMER_STYLE_RESOLUTION);
|
|
}
|
|
if (aCtlValue & kStyleWatchStart){
|
|
watch->StartTimer(NS_TIMER_STYLE_RESOLUTION);
|
|
}
|
|
if (aCtlValue & kStyleWatchStop){
|
|
watch->StopTimer(NS_TIMER_STYLE_RESOLUTION);
|
|
}
|
|
if (aCtlValue & kStyleWatchReset){
|
|
watch->ResetTimer(NS_TIMER_STYLE_RESOLUTION);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
return rv;
|
|
}
|
|
|
|
|
|
//=============================================================
|
|
//=============================================================
|
|
//-- Debug Reflow Counts
|
|
//=============================================================
|
|
//=============================================================
|
|
#ifdef MOZ_REFLOW_PERF
|
|
//-------------------------------------------------------------
|
|
NS_IMETHODIMP
|
|
PresShell::DumpReflows()
|
|
{
|
|
if (mReflowCountMgr) {
|
|
char * uriStr = nsnull;
|
|
if (mDocument) {
|
|
nsIURI * uri = mDocument->GetDocumentURL();
|
|
if (uri) {
|
|
uri->GetPath(&uriStr);
|
|
NS_RELEASE(uri);
|
|
}
|
|
}
|
|
mReflowCountMgr->DisplayTotals(uriStr);
|
|
mReflowCountMgr->DisplayHTMLTotals(uriStr);
|
|
mReflowCountMgr->DisplayDiffsInTotals("Differences");
|
|
if (uriStr) nsCRT::free(uriStr);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
//-------------------------------------------------------------
|
|
NS_IMETHODIMP
|
|
PresShell::CountReflows(const char * aName, PRUint32 aType, nsIFrame * aFrame)
|
|
{
|
|
if (mReflowCountMgr) {
|
|
mReflowCountMgr->Add(aName, (nsReflowReason)aType, aFrame);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//-------------------------------------------------------------
|
|
NS_IMETHODIMP
|
|
PresShell::PaintCount(const char * aName, nsIRenderingContext* aRenderingContext, nsIPresContext* aPresContext, nsIFrame * aFrame, PRUint32 aColor)
|
|
{
|
|
if (mReflowCountMgr) {
|
|
mReflowCountMgr->PaintCount(aName, aRenderingContext, aPresContext, aFrame, aColor);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
//-------------------------------------------------------------
|
|
NS_IMETHODIMP
|
|
PresShell::SetPaintFrameCount(PRBool aPaintFrameCounts)
|
|
{
|
|
if (mReflowCountMgr) {
|
|
mReflowCountMgr->SetPaintFrameCounts(aPaintFrameCounts);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
//-- Reflow Counter Classes Impls
|
|
//------------------------------------------------------------------
|
|
|
|
//------------------------------------------------------------------
|
|
ReflowCounter::ReflowCounter(ReflowCountMgr * aMgr) :
|
|
mMgr(aMgr)
|
|
{
|
|
ClearTotals();
|
|
SetTotalsCache();
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
ReflowCounter::~ReflowCounter()
|
|
{
|
|
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
void ReflowCounter::ClearTotals()
|
|
{
|
|
for (PRUint32 i=0;i<NUM_REFLOW_TYPES;i++) {
|
|
mTotals[i] = 0;
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
void ReflowCounter::SetTotalsCache()
|
|
{
|
|
for (PRUint32 i=0;i<NUM_REFLOW_TYPES;i++) {
|
|
mCacheTotals[i] = mTotals[i];
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
void ReflowCounter::CalcDiffInTotals()
|
|
{
|
|
for (PRUint32 i=0;i<NUM_REFLOW_TYPES;i++) {
|
|
mCacheTotals[i] = mTotals[i] - mCacheTotals[i];
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
void ReflowCounter::DisplayTotals(const char * aStr)
|
|
{
|
|
DisplayTotals(mTotals, aStr?aStr:"Totals");
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
void ReflowCounter::DisplayDiffTotals(const char * aStr)
|
|
{
|
|
DisplayTotals(mCacheTotals, aStr?aStr:"Diff Totals");
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
void ReflowCounter::DisplayHTMLTotals(const char * aStr)
|
|
{
|
|
DisplayHTMLTotals(mTotals, aStr?aStr:"Totals");
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
void ReflowCounter::DisplayTotals(PRUint32 * aArray, const char * aTitle)
|
|
{
|
|
// figure total
|
|
PRUint32 total = 0;
|
|
PRUint32 i;
|
|
for (i=0;i<NUM_REFLOW_TYPES;i++) {
|
|
total += aArray[i];
|
|
}
|
|
|
|
if (total == 0) {
|
|
return;
|
|
}
|
|
ReflowCounter * gTots = (ReflowCounter *)mMgr->LookUp(kGrandTotalsStr);
|
|
|
|
printf("%25s\t", aTitle);
|
|
for (i=0;i<NUM_REFLOW_TYPES;i++) {
|
|
printf("%d\t", aArray[i]);
|
|
if (gTots != this && aArray[i] > 0) {
|
|
gTots->Add((nsReflowReason)i, aArray[i]);
|
|
}
|
|
}
|
|
printf("%d\n", total);
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
void ReflowCounter::DisplayHTMLTotals(PRUint32 * aArray, const char * aTitle)
|
|
{
|
|
// figure total
|
|
PRUint32 total = 0;
|
|
PRUint32 i;
|
|
for (i=0;i<NUM_REFLOW_TYPES;i++) {
|
|
total += aArray[i];
|
|
}
|
|
|
|
if (total == 0) {
|
|
return;
|
|
}
|
|
|
|
ReflowCounter * gTots = (ReflowCounter *)mMgr->LookUp(kGrandTotalsStr);
|
|
FILE * fd = mMgr->GetOutFile();
|
|
if (!fd) {
|
|
return;
|
|
}
|
|
|
|
fprintf(fd, "<tr><td><center>%s</center></td>", aTitle);
|
|
for (i=0;i<NUM_REFLOW_TYPES;i++) {
|
|
fprintf(fd, "<td><center>");
|
|
if (aArray[i]) {
|
|
fprintf(fd, "%d", aArray[i]);
|
|
} else {
|
|
fprintf(fd, " ");
|
|
}
|
|
fprintf(fd, "</center></td>");
|
|
if (gTots != this && aArray[i] > 0) {
|
|
gTots->Add((nsReflowReason)i, aArray[i]);
|
|
}
|
|
}
|
|
fprintf(fd, "<td><center>%d</center></td></tr>\n", total);
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
//-- ReflowCountMgr
|
|
//------------------------------------------------------------------
|
|
ReflowCountMgr::ReflowCountMgr()
|
|
{
|
|
mCounts = PL_NewHashTable(10, PL_HashString, PL_CompareStrings,
|
|
PL_CompareValues, nsnull, nsnull);
|
|
mIndiFrameCounts = PL_NewHashTable(10, PL_HashString, PL_CompareStrings,
|
|
PL_CompareValues, nsnull, nsnull);
|
|
mCycledOnce = PR_FALSE;
|
|
mDumpFrameCounts = PR_FALSE;
|
|
mDumpFrameByFrameCounts = PR_FALSE;
|
|
mPaintFrameByFrameCounts = PR_FALSE;
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
ReflowCountMgr::~ReflowCountMgr()
|
|
{
|
|
CleanUp();
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
ReflowCounter * ReflowCountMgr::LookUp(const char * aName)
|
|
{
|
|
if (nsnull != mCounts) {
|
|
ReflowCounter * counter = (ReflowCounter *)PL_HashTableLookup(mCounts, aName);
|
|
return counter;
|
|
}
|
|
return nsnull;
|
|
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
void ReflowCountMgr::Add(const char * aName, nsReflowReason aType, nsIFrame * aFrame)
|
|
{
|
|
NS_ASSERTION(aName != nsnull, "Name shouldn't be null!");
|
|
|
|
if (mDumpFrameCounts && nsnull != mCounts) {
|
|
ReflowCounter * counter = (ReflowCounter *)PL_HashTableLookup(mCounts, aName);
|
|
if (counter == nsnull) {
|
|
counter = new ReflowCounter(this);
|
|
NS_ASSERTION(counter != nsnull, "null ptr");
|
|
char * name = nsCRT::strdup(aName);
|
|
NS_ASSERTION(name != nsnull, "null ptr");
|
|
PL_HashTableAdd(mCounts, name, counter);
|
|
}
|
|
counter->Add(aType);
|
|
}
|
|
|
|
if ((mDumpFrameByFrameCounts || mPaintFrameByFrameCounts) &&
|
|
nsnull != mIndiFrameCounts &&
|
|
aFrame != nsnull) {
|
|
char * key = new char[16];
|
|
sprintf(key, "%p", aFrame);
|
|
IndiReflowCounter * counter = (IndiReflowCounter *)PL_HashTableLookup(mIndiFrameCounts, key);
|
|
if (counter == nsnull) {
|
|
counter = new IndiReflowCounter(this);
|
|
NS_ASSERTION(counter != nsnull, "null ptr");
|
|
counter->mFrame = aFrame;
|
|
counter->mName.AssignWithConversion(aName);
|
|
PL_HashTableAdd(mIndiFrameCounts, key, counter);
|
|
}
|
|
// this eliminates extra counts from super classes
|
|
if (counter != nsnull && counter->mName.EqualsWithConversion(aName)) {
|
|
counter->mCount++;
|
|
counter->mCounter.Add(aType, 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
void ReflowCountMgr::PaintCount(const char * aName,
|
|
nsIRenderingContext* aRenderingContext,
|
|
nsIPresContext* aPresContext,
|
|
nsIFrame* aFrame,
|
|
PRUint32 aColor)
|
|
{
|
|
if (mPaintFrameByFrameCounts &&
|
|
nsnull != mIndiFrameCounts &&
|
|
aFrame != nsnull) {
|
|
char * key = new char[16];
|
|
sprintf(key, "%p", aFrame);
|
|
IndiReflowCounter * counter = (IndiReflowCounter *)PL_HashTableLookup(mIndiFrameCounts, key);
|
|
if (counter != nsnull && counter->mName.EqualsWithConversion(aName)) {
|
|
aRenderingContext->PushState();
|
|
nsFont font("Times", NS_FONT_STYLE_NORMAL,NS_FONT_VARIANT_NORMAL,
|
|
NS_FONT_WEIGHT_NORMAL,0,NSIntPointsToTwips(8));
|
|
|
|
nsCOMPtr<nsIFontMetrics> fm;
|
|
aPresContext->GetMetricsFor(font, getter_AddRefs(fm));
|
|
aRenderingContext->SetFont(fm);
|
|
char buf[16];
|
|
sprintf(buf, "%d", counter->mCount);
|
|
nscoord width, height;
|
|
aRenderingContext->GetWidth((char*)buf, width);
|
|
fm->GetHeight(height);
|
|
|
|
nsRect r;
|
|
aFrame->GetRect(r);
|
|
|
|
nscoord x = 0;
|
|
PRUint32 color;
|
|
PRUint32 color2;
|
|
if (aColor != 0) {
|
|
color = aColor;
|
|
color2 = NS_RGB(0,0,0);
|
|
} else {
|
|
PRUint8 rc,gc,bc = 0;
|
|
if (counter->mCount < 5) {
|
|
rc = 255;
|
|
gc = 255;
|
|
} else if ( counter->mCount < 11) {
|
|
gc = 255;
|
|
} else {
|
|
rc = 255;
|
|
}
|
|
color = NS_RGB(rc,gc,bc);
|
|
color2 = NS_RGB(rc/2,gc/2,bc/2);
|
|
}
|
|
|
|
nsRect rect(0,0, width+15, height+15);
|
|
aRenderingContext->SetColor(NS_RGB(0,0,0));
|
|
aRenderingContext->FillRect(rect);
|
|
aRenderingContext->SetColor(color2);
|
|
aRenderingContext->DrawString(buf, strlen(buf), x+15,15);
|
|
aRenderingContext->SetColor(color);
|
|
aRenderingContext->DrawString(buf, strlen(buf), x,0);
|
|
|
|
PRBool clipEmpty;
|
|
aRenderingContext->PopState(clipEmpty);
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
PRIntn ReflowCountMgr::RemoveItems(PLHashEntry *he, PRIntn i, void *arg)
|
|
{
|
|
char *str = (char *)he->key;
|
|
ReflowCounter * counter = (ReflowCounter *)he->value;
|
|
delete counter;
|
|
delete [] str;
|
|
|
|
return HT_ENUMERATE_REMOVE;
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
PRIntn ReflowCountMgr::RemoveIndiItems(PLHashEntry *he, PRIntn i, void *arg)
|
|
{
|
|
char *str = (char *)he->key;
|
|
IndiReflowCounter * counter = (IndiReflowCounter *)he->value;
|
|
delete counter;
|
|
delete [] str;
|
|
|
|
return HT_ENUMERATE_REMOVE;
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
void ReflowCountMgr::CleanUp()
|
|
{
|
|
if (nsnull != mCounts) {
|
|
PL_HashTableEnumerateEntries(mCounts, RemoveItems, nsnull);
|
|
PL_HashTableDestroy(mCounts);
|
|
mCounts = nsnull;
|
|
}
|
|
|
|
if (nsnull != mIndiFrameCounts) {
|
|
PL_HashTableEnumerateEntries(mIndiFrameCounts, RemoveIndiItems, nsnull);
|
|
PL_HashTableDestroy(mIndiFrameCounts);
|
|
mIndiFrameCounts = nsnull;
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
PRIntn ReflowCountMgr::DoSingleTotal(PLHashEntry *he, PRIntn i, void *arg)
|
|
{
|
|
char *str = (char *)he->key;
|
|
ReflowCounter * counter = (ReflowCounter *)he->value;
|
|
|
|
counter->DisplayTotals(str);
|
|
|
|
return HT_ENUMERATE_NEXT;
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
void ReflowCountMgr::DoGrandTotals()
|
|
{
|
|
if (nsnull != mCounts) {
|
|
ReflowCounter * gTots = (ReflowCounter *)PL_HashTableLookup(mCounts, kGrandTotalsStr);
|
|
if (gTots == nsnull) {
|
|
gTots = new ReflowCounter(this);
|
|
PL_HashTableAdd(mCounts, nsCRT::strdup(kGrandTotalsStr), gTots);
|
|
} else {
|
|
gTots->ClearTotals();
|
|
}
|
|
|
|
static const char * title[] = {"Init", "Incrm", "Resze", "Style", "Dirty", "Total"};
|
|
printf("\t\t\t");
|
|
PRUint32 i;
|
|
for (i=0;i<NUM_REFLOW_TYPES+1;i++) {
|
|
printf("\t%s", title[i]);
|
|
}
|
|
printf("\n");
|
|
for (i=0;i<78;i++) {
|
|
printf("-");
|
|
}
|
|
printf("\n");
|
|
PL_HashTableEnumerateEntries(mCounts, DoSingleTotal, this);
|
|
}
|
|
}
|
|
|
|
static void RecurseIndiTotals(nsIPresContext* aPresContext,
|
|
PLHashTable * aHT,
|
|
nsIFrame * aParentFrame,
|
|
PRInt32 aLevel)
|
|
{
|
|
if (aParentFrame == nsnull) {
|
|
return;
|
|
}
|
|
|
|
char key[16];
|
|
sprintf(key, "%p", aParentFrame);
|
|
IndiReflowCounter * counter = (IndiReflowCounter *)PL_HashTableLookup(aHT, key);
|
|
if (counter) {
|
|
counter->mHasBeenOutput = PR_TRUE;
|
|
char * name = counter->mName.ToNewCString();
|
|
for (PRInt32 i=0;i<aLevel;i++) printf(" ");
|
|
printf("%s - %p [%d][", name, aParentFrame, counter->mCount);
|
|
for (PRInt32 inx=0;inx<5;inx++) {
|
|
if (inx != 0) printf(",");
|
|
printf("%d", counter->mCounter.GetTotalByType(nsReflowReason(inx)));
|
|
}
|
|
printf("]\n");
|
|
nsMemory::Free(name);
|
|
}
|
|
|
|
nsIFrame * child;
|
|
aParentFrame->FirstChild(aPresContext, nsnull, &child);
|
|
while (child) {
|
|
RecurseIndiTotals(aPresContext, aHT, child, aLevel+1);
|
|
child->GetNextSibling(&child);
|
|
}
|
|
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
PRIntn ReflowCountMgr::DoSingleIndi(PLHashEntry *he, PRIntn i, void *arg)
|
|
{
|
|
char *str = (char *)he->key;
|
|
IndiReflowCounter * counter = (IndiReflowCounter *)he->value;
|
|
if (counter && !counter->mHasBeenOutput) {
|
|
char * name = counter->mName.ToNewCString();
|
|
printf("%s - %p [%d][", name, counter->mFrame, counter->mCount);
|
|
for (PRInt32 inx=0;inx<5;inx++) {
|
|
if (inx != 0) printf(",");
|
|
printf("%d", counter->mCounter.GetTotalByType(nsReflowReason(inx)));
|
|
}
|
|
printf("]\n");
|
|
nsMemory::Free(name);
|
|
}
|
|
return HT_ENUMERATE_NEXT;
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
void ReflowCountMgr::DoIndiTotalsTree()
|
|
{
|
|
if (nsnull != mCounts) {
|
|
printf("\n------------------------------------------------\n");
|
|
printf("-- Individual Frame Counts\n");
|
|
printf("------------------------------------------------\n");
|
|
|
|
if (mPresShell) {
|
|
nsIFrame * rootFrame;
|
|
mPresShell->GetRootFrame(&rootFrame);
|
|
RecurseIndiTotals(mPresContext, mIndiFrameCounts, rootFrame, 0);
|
|
printf("------------------------------------------------\n");
|
|
printf("-- Individual Counts of Frames not in Root Tree\n");
|
|
printf("------------------------------------------------\n");
|
|
PL_HashTableEnumerateEntries(mIndiFrameCounts, DoSingleIndi, this);
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
PRIntn ReflowCountMgr::DoSingleHTMLTotal(PLHashEntry *he, PRIntn i, void *arg)
|
|
{
|
|
char *str = (char *)he->key;
|
|
ReflowCounter * counter = (ReflowCounter *)he->value;
|
|
|
|
counter->DisplayHTMLTotals(str);
|
|
|
|
return HT_ENUMERATE_NEXT;
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
void ReflowCountMgr::DoGrandHTMLTotals()
|
|
{
|
|
if (nsnull != mCounts) {
|
|
ReflowCounter * gTots = (ReflowCounter *)PL_HashTableLookup(mCounts, kGrandTotalsStr);
|
|
if (gTots == nsnull) {
|
|
gTots = new ReflowCounter(this);
|
|
PL_HashTableAdd(mCounts, nsCRT::strdup(kGrandTotalsStr), gTots);
|
|
} else {
|
|
gTots->ClearTotals();
|
|
}
|
|
|
|
static const char * title[] = {"Class", "Init", "Incrm", "Resze", "Style", "Dirty", "Total"};
|
|
fprintf(mFD, "<tr>");
|
|
PRUint32 i;
|
|
for (i=0;i<NUM_REFLOW_TYPES+2;i++) {
|
|
fprintf(mFD, "<td><center><b>%s<b></center></td>", title[i]);
|
|
}
|
|
fprintf(mFD, "</tr>\n");
|
|
PL_HashTableEnumerateEntries(mCounts, DoSingleHTMLTotal, this);
|
|
}
|
|
}
|
|
|
|
//------------------------------------
|
|
void ReflowCountMgr::DisplayTotals(const char * aStr)
|
|
{
|
|
printf("%s\n", aStr?aStr:"No name");
|
|
if (mDumpFrameCounts) {
|
|
DoGrandTotals();
|
|
}
|
|
if (mDumpFrameByFrameCounts) {
|
|
DoIndiTotalsTree();
|
|
}
|
|
|
|
}
|
|
//------------------------------------
|
|
void ReflowCountMgr::DisplayHTMLTotals(const char * aStr)
|
|
{
|
|
#ifdef WIN32x // XXX NOT XP!
|
|
char name[1024];
|
|
|
|
char * sptr = strrchr(aStr, '/');
|
|
if (sptr) {
|
|
sptr++;
|
|
strcpy(name, sptr);
|
|
char * eptr = strrchr(name, '.');
|
|
if (eptr) {
|
|
*eptr = 0;
|
|
}
|
|
strcat(name, "_stats.html");
|
|
}
|
|
mFD = fopen(name, "w");
|
|
if (mFD) {
|
|
fprintf(mFD, "<html><head><title>Reflow Stats</title></head><body>\n");
|
|
const char * title = aStr?aStr:"No name";
|
|
fprintf(mFD, "<center><b>%s</b><br><table border=1 style=\"background-color:#e0e0e0\">", title);
|
|
DoGrandHTMLTotals();
|
|
fprintf(mFD, "</center></table>\n");
|
|
fprintf(mFD, "</body></html>\n");
|
|
fclose(mFD);
|
|
mFD = nsnull;
|
|
}
|
|
#endif // not XP!
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
PRIntn ReflowCountMgr::DoClearTotals(PLHashEntry *he, PRIntn i, void *arg)
|
|
{
|
|
ReflowCounter * counter = (ReflowCounter *)he->value;
|
|
counter->ClearTotals();
|
|
|
|
return HT_ENUMERATE_NEXT;
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
void ReflowCountMgr::ClearTotals()
|
|
{
|
|
PL_HashTableEnumerateEntries(mCounts, DoClearTotals, this);
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
void ReflowCountMgr::ClearGrandTotals()
|
|
{
|
|
if (nsnull != mCounts) {
|
|
ReflowCounter * gTots = (ReflowCounter *)PL_HashTableLookup(mCounts, kGrandTotalsStr);
|
|
if (gTots == nsnull) {
|
|
gTots = new ReflowCounter(this);
|
|
PL_HashTableAdd(mCounts, nsCRT::strdup(kGrandTotalsStr), gTots);
|
|
} else {
|
|
gTots->ClearTotals();
|
|
gTots->SetTotalsCache();
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
PRIntn ReflowCountMgr::DoDisplayDiffTotals(PLHashEntry *he, PRIntn i, void *arg)
|
|
{
|
|
PRBool cycledOnce = (PRBool)arg;
|
|
|
|
char *str = (char *)he->key;
|
|
ReflowCounter * counter = (ReflowCounter *)he->value;
|
|
|
|
if (cycledOnce) {
|
|
counter->CalcDiffInTotals();
|
|
counter->DisplayDiffTotals(str);
|
|
}
|
|
counter->SetTotalsCache();
|
|
|
|
return HT_ENUMERATE_NEXT;
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
void ReflowCountMgr::DisplayDiffsInTotals(const char * aStr)
|
|
{
|
|
if (mCycledOnce) {
|
|
printf("Differences\n");
|
|
for (PRInt32 i=0;i<78;i++) {
|
|
printf("-");
|
|
}
|
|
printf("\n");
|
|
ClearGrandTotals();
|
|
}
|
|
PL_HashTableEnumerateEntries(mCounts, DoDisplayDiffTotals, (void *)mCycledOnce);
|
|
|
|
mCycledOnce = PR_TRUE;
|
|
}
|
|
|
|
#endif // MOZ_REFLOW_PERF
|
|
|
|
// make a color string like #RRGGBB
|
|
void ColorToString(nscolor aColor, nsAutoString &aString)
|
|
{
|
|
nsAutoString tmp;
|
|
aString.SetLength(0);
|
|
|
|
// #
|
|
aString.Append(NS_LITERAL_STRING("#"));
|
|
// RR
|
|
tmp.AppendInt((PRInt32)NS_GET_R(aColor), 16);
|
|
if (tmp.Length() < 2) tmp.AppendInt(0,16);
|
|
aString.Append(tmp);
|
|
tmp.SetLength(0);
|
|
// GG
|
|
tmp.AppendInt((PRInt32)NS_GET_G(aColor), 16);
|
|
if (tmp.Length() < 2) tmp.AppendInt(0,16);
|
|
aString.Append(tmp);
|
|
tmp.SetLength(0);
|
|
// BB
|
|
tmp.AppendInt((PRInt32)NS_GET_B(aColor), 16);
|
|
if (tmp.Length() < 2) tmp.AppendInt(0,16);
|
|
aString.Append(tmp);
|
|
}
|
|
|
|
|